2990672928 has 84 divisors (see below), whose sum is σ = 8827861518. Its totient is φ = 996883200.

The previous prime is 2990672921. The next prime is 2990672947. The reversal of 2990672928 is 8292760992.

It is a happy number.

2990672928 is a `hidden beast` number, since 299 + 0 + 67 + 292 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2146654224 + 844018704 = 46332^2 + 29052^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2990672921) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 40773 + ... + 87428.

Almost surely, 2^2990672928 is an apocalyptic number.

It is an amenable number.

2990672928 is an abundant number, since it is smaller than the sum of its proper divisors (5837188590).

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

2990672928 is an equidigital number, since it uses as much as digits as its factorization.

2990672928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128229 (or 128206 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 2990672928 is about 54687.0453398243. The cubic root of 2990672928 is about 1440.7533558028.

The spelling of 2990672928 in words is "two billion, nine hundred ninety million, six hundred seventy-two thousand, nine hundred twenty-eight".