7284489 has 4 divisors (see below), whose sum is σ = 9712656. Its totient is φ = 4856324.

The previous prime is 7284463. The next prime is 7284493. The reversal of 7284489 is 9844827.

7284489 is digitally balanced in base 3 and base 4, because in such bases 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.

It is a cyclic number.

It is not a de Polignac number, because 7284489 - 2¹² = 7280393 is a prime.

It is a super-2 number, since 2×7284489² = 106127559982242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7284489.

It is not an unprimeable number, because it can be changed into a prime (7284419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214079 + ... + 1214084.

It is an arithmetic number, because the mean of its divisors is an integer number (2428164).

Almost surely, 2^7284489 is an apocalyptic number.

It is an amenable number.

7284489 is a deficient number, since it is larger than the sum of its proper divisors (2428167).

7284489 is a wasteful number, since it uses less digits than its factorization.

7284489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428166.

The product of its digits is 129024, while the sum is 42.

The square root of 7284489 is about 2698.9792514949. The cubic root of 7284489 is about 193.8502493345.

The spelling of 7284489 in words is "seven million, two hundred eighty-four thousand, four hundred eighty-nine".