39977316 has 36 divisors (see below), whose sum is σ = 103788412. Its totient is φ = 12965184.

The previous prime is 39977303. The next prime is 39977347. The reversal of 39977316 is 61377993.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 26316900 = 3696^2 + 5130^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13675 + ... + 16338.

Almost surely, 2^39977316 is an apocalyptic number.

39977316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39977316 is an abundant number, since it is smaller than the sum of its proper divisors (63811096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39977316 is a wasteful number, since it uses less digits than its factorization.

39977316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30060 (or 30055 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 39977316 is about 6322.7617383545. The cubic root of 39977316 is about 341.9305286201.

The spelling of 39977316 in words is "thirty-nine million, nine hundred seventy-seven thousand, three hundred sixteen".