39864848 has 10 divisors (see below), whose sum is σ = 77238174. Its totient is φ = 19932416.

The previous prime is 39864841. The next prime is 39864857. The reversal of 39864848 is 84846893.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 73984 = 6308^2 + 272^2 .

It is a super-2 number, since 2×39864848² = 3178412212126208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39864796 and 39864805.

It is not an unprimeable number, because it can be changed into a prime (39864841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245761 + ... + 1245792.

Almost surely, 2^39864848 is an apocalyptic number.

It is an amenable number.

39864848 is a deficient number, since it is larger than the sum of its proper divisors (37373326).

39864848 is a wasteful number, since it uses less digits than its factorization.

39864848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491561 (or 2491555 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 39864848 is about 6313.8615759296. The cubic root of 39864848 is about 341.6095769244.

The spelling of 39864848 in words is "thirty-nine million, eight hundred sixty-four thousand, eight hundred forty-eight".