32438668 has 12 divisors (see below), whose sum is σ = 57063160. Its totient is φ = 16134912.

The previous prime is 32438663. The next prime is 32438689. The reversal of 32438668 is 86683423.

It is a super-2 number, since 2×32438668² = 2104534363228448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32438668.

It is not an unprimeable number, because it can be changed into a prime (32438663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20238 + ... + 21781.

Almost surely, 2^32438668 is an apocalyptic number.

It is an amenable number.

32438668 is a deficient number, since it is larger than the sum of its proper divisors (24624492).

32438668 is a wasteful number, since it uses less digits than its factorization.

32438668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42216 (or 42214 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 32438668 is about 5695.4954130435. The cubic root of 32438668 is about 318.9243440438.

It can be divided in two parts, 3243 and 8668, that added together give a palindrome (11911).

The spelling of 32438668 in words is "thirty-two million, four hundred thirty-eight thousand, six hundred sixty-eight".