3390428 has 6 divisors (see below), whose sum is σ = 5933256. Its totient is φ = 1695212.

The previous prime is 3390427. The next prime is 3390437. The reversal of 3390428 is 8240933.

It is a super-2 number, since 2×3390428² = 22990004046368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3390428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423800 + ... + 423807.

It is an arithmetic number, because the mean of its divisors is an integer number (988876).

Almost surely, 2^3390428 is an apocalyptic number.

It is an amenable number.

3390428 is a deficient number, since it is larger than the sum of its proper divisors (2542828).

3390428 is a wasteful number, since it uses less digits than its factorization.

3390428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847611 (or 847609 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3390428 is about 1841.3114891294. The cubic root of 3390428 is about 150.2282155712.

The spelling of 3390428 in words is "three million, three hundred ninety thousand, four hundred twenty-eight".