49402931 has 4 divisors (see below), whose sum is σ = 49429200. Its totient is φ = 49376664.

The previous prime is 49402877. The next prime is 49402949. The reversal of 49402931 is 13920494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49402931 is a prime.

It is a super-2 number, since 2×49402931² = 4881299182781522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49401931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10076 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (12357300).

Almost surely, 2^49402931 is an apocalyptic number.

49402931 is a deficient number, since it is larger than the sum of its proper divisors (26269).

49402931 is a wasteful number, since it uses less digits than its factorization.

49402931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26268.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 49402931 is about 7028.7218610498. The cubic root of 49402931 is about 366.9308598256.

The spelling of 49402931 in words is "forty-nine million, four hundred two thousand, nine hundred thirty-one".