3078400984 has 16 divisors (see below), whose sum is σ = 5791705920. Its totient is φ = 1533946080.

The previous prime is 3078400973. The next prime is 3078400993. The reversal of 3078400984 is 4890048703.

It is a self number, because there is not a number n which added to its sum of digits gives 3078400984.

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, 654312 + ... + 658999.

It is an arithmetic number, because the mean of its divisors is an integer number (361981620).

Almost surely, 2^3078400984 is an apocalyptic number.

It is an amenable number.

3078400984 is a deficient number, since it is larger than the sum of its proper divisors (2713304936).

3078400984 is a wasteful number, since it uses less digits than its factorization.

3078400984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313610 (or 1313606 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 3078400984 is about 55483.3396976065. The cubic root of 3078400984 is about 1454.7054404640.

The spelling of 3078400984 in words is "three billion, seventy-eight million, four hundred thousand, nine hundred eighty-four".