3680617428 has 48 divisors (see below), whose sum is σ = 9649584000. Its totient is φ = 1213084224.

The previous prime is 3680617417. The next prime is 3680617459. The reversal of 3680617428 is 8247160863.

3680617428 is a `hidden beast` number, since 3 + 6 + 8 + 0 + 617 + 4 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181848 + ... + 201071.

It is an arithmetic number, because the mean of its divisors is an integer number (201033000).

Almost surely, 2^3680617428 is an apocalyptic number.

It is an amenable number.

3680617428 is an abundant number, since it is smaller than the sum of its proper divisors (5968966572).

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

3680617428 is a wasteful number, since it uses less digits than its factorization.

3680617428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383021 (or 383013 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3680617428 is about 60668.0923385596. The cubic root of 3680617428 is about 1543.9748652472.

The spelling of 3680617428 in words is "three billion, six hundred eighty million, six hundred seventeen thousand, four hundred twenty-eight".