2912398938 has 12 divisors (see below), whose sum is σ = 6310197738. Its totient is φ = 970799640.

The previous prime is 2912398903. The next prime is 2912398981. The reversal of 2912398938 is 8398932192.

It can be written as a sum of positive squares in only one way, i.e., 2196140769 + 716258169 = 46863^2 + 26763^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 80899953 + ... + 80899988.

Almost surely, 2^2912398938 is an apocalyptic number.

2912398938 is an abundant number, since it is smaller than the sum of its proper divisors (3397798800).

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

2912398938 is a wasteful number, since it uses less digits than its factorization.

2912398938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161799949 (or 161799946 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 2912398938 is about 53966.6465328354. The cubic root of 2912398938 is about 1428.0726047636.

The spelling of 2912398938 in words is "two billion, nine hundred twelve million, three hundred ninety-eight thousand, nine hundred thirty-eight".