4992931 has 4 divisors (see below), whose sum is σ = 5019264. Its totient is φ = 4966600.

The previous prime is 4992929. The next prime is 4992937. The reversal of 4992931 is 1392994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1392994 = 2 ⋅696497.

It is a cyclic number.

It is not a de Polignac number, because 4992931 - 2¹ = 4992929 is a prime.

It is a super-2 number, since 2×4992931² = 49858719941522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4992937) 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, 12880 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (1254816).

Almost surely, 2^4992931 is an apocalyptic number.

4992931 is a deficient number, since it is larger than the sum of its proper divisors (26333).

4992931 is a wasteful number, since it uses less digits than its factorization.

4992931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332.

The product of its digits is 17496, while the sum is 37.

The square root of 4992931 is about 2234.4867419611. The cubic root of 4992931 is about 170.9169711941.

Subtracting from 4992931 its product of digits (17496), we obtain a triangular number (4975435 = T₃₁₅₄).

The spelling of 4992931 in words is "four million, nine hundred ninety-two thousand, nine hundred thirty-one".