3320797428 has 72 divisors (see below), whose sum is σ = 9515760800. Its totient is φ = 968003136.

The previous prime is 3320797399. The next prime is 3320797429. The reversal of 3320797428 is 8247970233.

It is a super-2 number, since 2×3320797428² = 22055391115622830368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320797429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177838 + ... + 195621.

Almost surely, 2^3320797428 is an apocalyptic number.

3320797428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3320797428 is an abundant number, since it is smaller than the sum of its proper divisors (6194963372).

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

3320797428 is a wasteful number, since it uses less digits than its factorization.

3320797428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373501 (or 373496 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3320797428 is about 57626.3605305766. The cubic root of 3320797428 is about 1491.9266142535.

The spelling of 3320797428 in words is "three billion, three hundred twenty million, seven hundred ninety-seven thousand, four hundred twenty-eight".