39897076 has 6 divisors (see below), whose sum is σ = 69819890. Its totient is φ = 19948536.

The previous prime is 39897061. The next prime is 39897083. The reversal of 39897076 is 67079893.

39897076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 2808976 = 6090^2 + 1676^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4987131 + ... + 4987138.

Almost surely, 2^39897076 is an apocalyptic number.

It is an amenable number.

39897076 is a deficient number, since it is larger than the sum of its proper divisors (29922814).

39897076 is a wasteful number, since it uses less digits than its factorization.

39897076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9974273 (or 9974271 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 39897076 is about 6316.4132227080. The cubic root of 39897076 is about 341.7016081127.

The spelling of 39897076 in words is "thirty-nine million, eight hundred ninety-seven thousand, seventy-six".