7242389 has 8 divisors (see below), whose sum is σ = 9029568. Its totient is φ = 5643360.

The previous prime is 7242383. The next prime is 7242409. The reversal of 7242389 is 9832427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7242389 - 2⁸ = 7242133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46952 + ... + 47105.

It is an arithmetic number, because the mean of its divisors is an integer number (1128696).

Almost surely, 2^7242389 is an apocalyptic number.

It is an amenable number.

7242389 is a deficient number, since it is larger than the sum of its proper divisors (1787179).

7242389 is a wasteful number, since it uses less digits than its factorization.

7242389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94075.

The product of its digits is 24192, while the sum is 35.

The square root of 7242389 is about 2691.1687052283. The cubic root of 7242389 is about 193.4760813244.

It can be divided in two parts, 724 and 2389, that added together give a palindrome (3113).

The spelling of 7242389 in words is "seven million, two hundred forty-two thousand, three hundred eighty-nine".