7464389 has 4 divisors (see below), whose sum is σ = 7469856. Its totient is φ = 7458924.

The previous prime is 7464371. The next prime is 7464407. The reversal of 7464389 is 9834647.

7464389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9834647 = 19 ⋅517613.

It is an interprime number because it is at equal distance from previous prime (7464371) and next prime (7464407).

It is a cyclic number.

It is not a de Polignac number, because 7464389 - 2²⁰ = 6415813 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 4² + 6⁸ + 4⁴ + 3⁹ + 8 + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7464329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (1867464).

Almost surely, 2^7464389 is an apocalyptic number.

It is an amenable number.

7464389 is a deficient number, since it is larger than the sum of its proper divisors (5467).

7464389 is a wasteful number, since it uses less digits than its factorization.

7464389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466.

The product of its digits is 145152, while the sum is 41.

The square root of 7464389 is about 2732.1034021428. The cubic root of 7464389 is about 195.4330852030.

The spelling of 7464389 in words is "seven million, four hundred sixty-four thousand, three hundred eighty-nine".