39538712 has 8 divisors (see below), whose sum is σ = 74135100. Its totient is φ = 19769352.

The previous prime is 39538711. The next prime is 39538721. The reversal of 39538712 is 21783593.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39538711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471162 + ... + 2471177.

Almost surely, 2^39538712 is an apocalyptic number.

It is an amenable number.

39538712 is a deficient number, since it is larger than the sum of its proper divisors (34596388).

39538712 is a wasteful number, since it uses less digits than its factorization.

39538712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942345 (or 4942341 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 39538712 is about 6287.9815521358. The cubic root of 39538712 is about 340.6754507883.

The spelling of 39538712 in words is "thirty-nine million, five hundred thirty-eight thousand, seven hundred twelve".