3038728 has 32 divisors (see below), whose sum is σ = 7104960. Its totient is φ = 1183680.

The previous prime is 3038701. The next prime is 3038731. The reversal of 3038728 is 8278303.

It is a self number, because there is not a number n which added to its sum of digits gives 3038728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (222030).

Almost surely, 2^3038728 is an apocalyptic number.

It is an amenable number.

3038728 is an abundant number, since it is smaller than the sum of its proper divisors (4066232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3038728 is a wasteful number, since it uses less digits than its factorization.

3038728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3038728 is about 1743.1947682345. The cubic root of 3038728 is about 144.8429214559.

The spelling of 3038728 in words is "three million, thirty-eight thousand, seven hundred twenty-eight".