39769952 has 12 divisors (see below), whose sum is σ = 78297156. Its totient is φ = 19884960.

The previous prime is 39769949. The next prime is 39769963. The reversal of 39769952 is 25996793.

It is a self number, because there is not a number n which added to its sum of digits gives 39769952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621374 + ... + 621437.

It is an arithmetic number, because the mean of its divisors is an integer number (6524763).

Almost surely, 2^39769952 is an apocalyptic number.

39769952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39769952 is a deficient number, since it is larger than the sum of its proper divisors (38527204).

39769952 is a wasteful number, since it uses less digits than its factorization.

39769952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242821 (or 1242813 counting only the distinct ones).

The product of its digits is 918540, while the sum is 50.

The square root of 39769952 is about 6306.3422044796. The cubic root of 39769952 is about 341.3383008446.

The spelling of 39769952 in words is "thirty-nine million, seven hundred sixty-nine thousand, nine hundred fifty-two".