38642632 has 32 divisors (see below), whose sum is σ = 87678720. Its totient is φ = 15586560.

The previous prime is 38642629. The next prime is 38642633. The reversal of 38642632 is 23624683.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (38642633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19344 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (2739960).

Almost surely, 2^38642632 is an apocalyptic number.

It is an amenable number.

38642632 is an abundant number, since it is smaller than the sum of its proper divisors (49036088).

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

38642632 is a wasteful number, since it uses less digits than its factorization.

38642632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40621 (or 40617 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 38642632 is about 6216.3198115927. The cubic root of 38642632 is about 338.0821433582.

The spelling of 38642632 in words is "thirty-eight million, six hundred forty-two thousand, six hundred thirty-two".