39952977 has 8 divisors (see below), whose sum is σ = 54509664. Its totient is φ = 26015808.

The previous prime is 39952967. The next prime is 39953021. The reversal of 39952977 is 77925993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39952977 - 2⁷ = 39952849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39952967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154728 + ... + 154985.

It is an arithmetic number, because the mean of its divisors is an integer number (6813708).

Almost surely, 2^39952977 is an apocalyptic number.

It is an amenable number.

39952977 is a deficient number, since it is larger than the sum of its proper divisors (14556687).

39952977 is a wasteful number, since it uses less digits than its factorization.

39952977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309759.

The product of its digits is 1071630, while the sum is 51.

The square root of 39952977 is about 6320.8367325853. The cubic root of 39952977 is about 341.8611231217.

The spelling of 39952977 in words is "thirty-nine million, nine hundred fifty-two thousand, nine hundred seventy-seven".