3390768628 has 12 divisors (see below), whose sum is σ = 6390294820. Its totient is φ = 1564970112.

The previous prime is 3390768613. The next prime is 3390768649. The reversal of 3390768628 is 8268670933.

It can be written as a sum of positive squares in 2 ways, for example, as 179506404 + 3211262224 = 13398^2 + 56668^2 .

It is a super-2 number, since 2×3390768628² = 22994623777258004768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 65207089 = 3390768628 / (3 + 3 + 9 + 0 + 7 + 6 + 8 + 6 + 2 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32603493 + ... + 32603596.

Almost surely, 2^3390768628 is an apocalyptic number.

It is an amenable number.

3390768628 is a deficient number, since it is larger than the sum of its proper divisors (2999526192).

3390768628 is a wasteful number, since it uses less digits than its factorization.

3390768628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65207106 (or 65207104 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 3390768628 is about 58230.3067826368. The cubic root of 3390768628 is about 1502.3324642309.

The spelling of 3390768628 in words is "three billion, three hundred ninety million, seven hundred sixty-eight thousand, six hundred twenty-eight".