2938928431 has 16 divisors (see below), whose sum is σ = 3255033600. Its totient is φ = 2639325568.

The previous prime is 2938928423. The next prime is 2938928441. The reversal of 2938928431 is 1348298392.

It is a cyclic number.

It is not a de Polignac number, because 2938928431 - 2³ = 2938928423 is a prime.

It is a super-2 number, since 2×2938928431² = 17274600645080243522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938928441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154860 + ... + 172798.

It is an arithmetic number, because the mean of its divisors is an integer number (203439600).

Almost surely, 2^2938928431 is an apocalyptic number.

2938928431 is a deficient number, since it is larger than the sum of its proper divisors (316105169).

2938928431 is a wasteful number, since it uses less digits than its factorization.

2938928431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398.

The product of its digits is 746496, while the sum is 49.

The square root of 2938928431 is about 54211.8845918494. The cubic root of 2938928431 is about 1432.3956828645.

The spelling of 2938928431 in words is "two billion, nine hundred thirty-eight million, nine hundred twenty-eight thousand, four hundred thirty-one".