39461979 has 4 divisors (see below), whose sum is σ = 52615976. Its totient is φ = 26307984.

The previous prime is 39461971. The next prime is 39461987. The reversal of 39461979 is 97916493.

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

It is an interprime number because it is at equal distance from previous prime (39461971) and next prime (39461987).

It is not a de Polignac number, because 39461979 - 2³ = 39461971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39461971) 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, 6576994 + ... + 6576999.

It is an arithmetic number, because the mean of its divisors is an integer number (13153994).

Almost surely, 2^39461979 is an apocalyptic number.

39461979 is a deficient number, since it is larger than the sum of its proper divisors (13153997).

39461979 is a wasteful number, since it uses less digits than its factorization.

39461979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153996.

The product of its digits is 367416, while the sum is 48.

The square root of 39461979 is about 6281.8770284048. The cubic root of 39461979 is about 340.4549244822.

The spelling of 39461979 in words is "thirty-nine million, four hundred sixty-one thousand, nine hundred seventy-nine".