32139448 has 32 divisors (see below), whose sum is σ = 65959920. Its totient is φ = 14560000.

The previous prime is 32139397. The next prime is 32139473. The reversal of 32139448 is 84493123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45498 + ... + 46198.

Almost surely, 2^32139448 is an apocalyptic number.

It is an amenable number.

32139448 is an abundant number, since it is smaller than the sum of its proper divisors (33820472).

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

32139448 is a wasteful number, since it uses less digits than its factorization.

32139448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1235 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 32139448 is about 5669.1664290264. The cubic root of 32139448 is about 317.9407085903.

The spelling of 32139448 in words is "thirty-two million, one hundred thirty-nine thousand, four hundred forty-eight".