38452644 has 30 divisors (see below), whose sum is σ = 100523654. Its totient is φ = 12817440.

The previous prime is 38452639. The next prime is 38452651. The reversal of 38452644 is 44625483.

38452644 is a `hidden beast` number, since 3 + 8 + 4 + 5 + 2 + 644 = 666.

38452644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 12320100 = 5112^2 + 3510^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 38452599 and 38452608.

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 9 ways as a sum of consecutive naturals, for example, 59017 + ... + 59664.

Almost surely, 2^38452644 is an apocalyptic number.

It is an amenable number.

38452644 is an abundant number, since it is smaller than the sum of its proper divisors (62071010).

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

38452644 is a wasteful number, since it uses less digits than its factorization.

38452644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118697 (or 118686 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 38452644 is about 6201.0195935830. The cubic root of 38452644 is about 337.5271681833.

The spelling of 38452644 in words is "thirty-eight million, four hundred fifty-two thousand, six hundred forty-four".