39477980 has 24 divisors (see below), whose sum is σ = 84265440. Its totient is φ = 15531840.

The previous prime is 39477967. The next prime is 39477983. The reversal of 39477980 is 8977493.

39477980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39477983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14960 + ... + 17399.

It is an arithmetic number, because the mean of its divisors is an integer number (3511060).

Almost surely, 2^39477980 is an apocalyptic number.

It is an amenable number.

39477980 is an abundant number, since it is smaller than the sum of its proper divisors (44787460).

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

39477980 is a wasteful number, since it uses less digits than its factorization.

39477980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32429 (or 32427 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 39477980 is about 6283.1504836348. The cubic root of 39477980 is about 340.5009340274.

The spelling of 39477980 in words is "thirty-nine million, four hundred seventy-seven thousand, nine hundred eighty".