38624442 has 16 divisors (see below), whose sum is σ = 81793152. Its totient is φ = 12117440.

The previous prime is 38624437. The next prime is 38624471. The reversal of 38624442 is 24442683.

It is a super-2 number, since 2×38624442² = 2983695039622728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189234 + ... + 189437.

It is an arithmetic number, because the mean of its divisors is an integer number (5112072).

Almost surely, 2^38624442 is an apocalyptic number.

38624442 is an abundant number, since it is smaller than the sum of its proper divisors (43168710).

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

38624442 is a wasteful number, since it uses less digits than its factorization.

38624442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378693.

The product of its digits is 36864, while the sum is 33.

The square root of 38624442 is about 6214.8565550622. The cubic root of 38624442 is about 338.0290872812.

The spelling of 38624442 in words is "thirty-eight million, six hundred twenty-four thousand, four hundred forty-two".