7004389 has 8 divisors (see below), whose sum is σ = 8095680. Its totient is φ = 5935776.

The previous prime is 7004383. The next prime is 7004401. The reversal of 7004389 is 9834007.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-7004389 is a prime.

It is a super-2 number, since 2×7004389² = 98122930526642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7004389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7004383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 6244.

It is an arithmetic number, because the mean of its divisors is an integer number (1011960).

Almost surely, 2^7004389 is an apocalyptic number.

It is an amenable number.

7004389 is a deficient number, since it is larger than the sum of its proper divisors (1091291).

7004389 is a wasteful number, since it uses less digits than its factorization.

7004389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7004389 is about 2646.5806241262. The cubic root of 7004389 is about 191.3330901860. Note that the first 3 decimals are identical.

The spelling of 7004389 in words is "seven million, four thousand, three hundred eighty-nine".