38624042 has 16 divisors (see below), whose sum is σ = 59217480. Its totient is φ = 18889728.

The previous prime is 38624021. The next prime is 38624057. The reversal of 38624042 is 24042683.

38624042 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 4 ways, for example, as 32024281 + 6599761 = 5659^2 + 2569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38623996 and 38624014.

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 7 ways as a sum of consecutive naturals, for example, 16148 + ... + 18384.

Almost surely, 2^38624042 is an apocalyptic number.

38624042 is a deficient number, since it is larger than the sum of its proper divisors (20593438).

38624042 is a wasteful number, since it uses less digits than its factorization.

38624042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 38624042 is about 6214.8243740270. The cubic root of 38624042 is about 338.0279203854.

The spelling of 38624042 in words is "thirty-eight million, six hundred twenty-four thousand, forty-two".