39349872 has 90 divisors (see below), whose sum is σ = 115976952. Its totient is φ = 12431232.

The previous prime is 39349867. The next prime is 39349901. The reversal of 39349872 is 27894393.

It is a happy number.

39349872 is a `hidden beast` number, since 3 + 93 + 498 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 360954 + ... + 361062.

Almost surely, 2^39349872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39349872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57988476).

39349872 is an abundant number, since it is smaller than the sum of its proper divisors (76627080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39349872 is a wasteful number, since it uses less digits than its factorization.

39349872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 137 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 39349872 is about 6272.9476324930. The cubic root of 39349872 is about 340.1322207777.

The spelling of 39349872 in words is "thirty-nine million, three hundred forty-nine thousand, eight hundred seventy-two".