39922949 has 4 divisors (see below), whose sum is σ = 43552320. Its totient is φ = 36293580.

The previous prime is 39922943. The next prime is 39922951. The reversal of 39922949 is 94922993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39922949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39922943) 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, 1814669 + ... + 1814690.

It is an arithmetic number, because the mean of its divisors is an integer number (10888080).

Almost surely, 2^39922949 is an apocalyptic number.

It is an amenable number.

39922949 is a deficient number, since it is larger than the sum of its proper divisors (3629371).

39922949 is a wasteful number, since it uses less digits than its factorization.

39922949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629370.

The product of its digits is 314928, while the sum is 47.

The square root of 39922949 is about 6318.4609676724. The cubic root of 39922949 is about 341.7754559248.

The spelling of 39922949 in words is "thirty-nine million, nine hundred twenty-two thousand, nine hundred forty-nine".