38749632 has 28 divisors (see below), whose sum is σ = 102525576. Its totient is φ = 12916480.

The previous prime is 38749553. The next prime is 38749637. The reversal of 38749632 is 23694783.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38749637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100719 + ... + 101102.

Almost surely, 2^38749632 is an apocalyptic number.

38749632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38749632 is an abundant number, since it is smaller than the sum of its proper divisors (63775944).

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

38749632 is a wasteful number, since it uses less digits than its factorization.

38749632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201836 (or 201826 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 38749632 is about 6224.9202404529. The cubic root of 38749632 is about 338.3939013817.

The spelling of 38749632 in words is "thirty-eight million, seven hundred forty-nine thousand, six hundred thirty-two".