32138793 has 24 divisors (see below), whose sum is σ = 47882016. Its totient is φ = 20760000.

The previous prime is 32138783. The next prime is 32138801. The reversal of 32138793 is 39783123.

It is a happy number.

It is not a de Polignac number, because 32138793 - 2²² = 27944489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32138713) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 92446 + ... + 92792.

It is an arithmetic number, because the mean of its divisors is an integer number (1995084).

Almost surely, 2^32138793 is an apocalyptic number.

It is an amenable number.

32138793 is a deficient number, since it is larger than the sum of its proper divisors (15743223).

32138793 is a wasteful number, since it uses less digits than its factorization.

32138793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 642 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 32138793 is about 5669.1086600982. The cubic root of 32138793 is about 317.9385487048.

The spelling of 32138793 in words is "thirty-two million, one hundred thirty-eight thousand, seven hundred ninety-three".