32238864 has 120 divisors (see below), whose sum is σ = 107716320. Its totient is φ = 9205056.

The previous prime is 32238827. The next prime is 32238881. The reversal of 32238864 is 46883223.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20407 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (897636).

Almost surely, 2^32238864 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 32238864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53858160).

32238864 is an abundant number, since it is smaller than the sum of its proper divisors (75477456).

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

32238864 is a wasteful number, since it uses less digits than its factorization.

32238864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1535 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 32238864 is about 5677.9277910167. The cubic root of 32238864 is about 318.2681966695.

The spelling of 32238864 in words is "thirty-two million, two hundred thirty-eight thousand, eight hundred sixty-four".