39952774 has 4 divisors (see below), whose sum is σ = 59929164. Its totient is φ = 19976386.

The previous prime is 39952753. The next prime is 39952777. The reversal of 39952774 is 47725993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47725993 = 7 ⋅6817999.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39952777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9988192 + ... + 9988195.

It is an arithmetic number, because the mean of its divisors is an integer number (14982291).

Almost surely, 2^39952774 is an apocalyptic number.

39952774 is a deficient number, since it is larger than the sum of its proper divisors (19976390).

39952774 is a wasteful number, since it uses less digits than its factorization.

39952774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976389.

The product of its digits is 476280, while the sum is 46.

The square root of 39952774 is about 6320.8206745643. The cubic root of 39952774 is about 341.8605441250.

The spelling of 39952774 in words is "thirty-nine million, nine hundred fifty-two thousand, seven hundred seventy-four".