38647632 has 20 divisors (see below), whose sum is σ = 99839840. Its totient is φ = 12882528.

The previous prime is 38647619. The next prime is 38647667. The reversal of 38647632 is 23674683.

38647632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402532 + ... + 402627.

It is an arithmetic number, because the mean of its divisors is an integer number (4991992).

Almost surely, 2^38647632 is an apocalyptic number.

It is an amenable number.

38647632 is an abundant number, since it is smaller than the sum of its proper divisors (61192208).

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

38647632 is a wasteful number, since it uses less digits than its factorization.

38647632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805170 (or 805164 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 38647632 is about 6216.7219657952. The cubic root of 38647632 is about 338.0967242992.

The spelling of 38647632 in words is "thirty-eight million, six hundred forty-seven thousand, six hundred thirty-two".