32243139 has 24 divisors (see below), whose sum is σ = 47736000. Its totient is φ = 20966400.

The previous prime is 32243129. The next prime is 32243143. The reversal of 32243139 is 93134223.

It is a happy number.

It is not a de Polignac number, because 32243139 - 2¹¹ = 32241091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32243119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71587 + ... + 72035.

It is an arithmetic number, because the mean of its divisors is an integer number (1989000).

Almost surely, 2^32243139 is an apocalyptic number.

32243139 is a deficient number, since it is larger than the sum of its proper divisors (15492861).

32243139 is a wasteful number, since it uses less digits than its factorization.

32243139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 32243139 is about 5678.3042363015. The cubic root of 32243139 is about 318.2822639187.

The spelling of 32243139 in words is "thirty-two million, two hundred forty-three thousand, one hundred thirty-nine".