39825964 has 12 divisors (see below), whose sum is σ = 69741000. Its totient is φ = 19899968.

The previous prime is 39825941. The next prime is 39825977. The reversal of 39825964 is 46952893.

It is a super-2 number, since 2×39825964² = 3172214817058592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7812 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (5811750).

Almost surely, 2^39825964 is an apocalyptic number.

It is an amenable number.

39825964 is a deficient number, since it is larger than the sum of its proper divisors (29915036).

39825964 is a wasteful number, since it uses less digits than its factorization.

39825964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512 (or 6510 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 39825964 is about 6310.7815680786. The cubic root of 39825964 is about 341.4984726260.

It can be divided in two parts, 398 and 25964, that added together give a palindrome (26362).

The spelling of 39825964 in words is "thirty-nine million, eight hundred twenty-five thousand, nine hundred sixty-four".