38578042 has 4 divisors (see below), whose sum is σ = 57867066. Its totient is φ = 19289020.

The previous prime is 38578039. The next prime is 38578081. The reversal of 38578042 is 24087583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38576521 + 1521 = 6211^2 + 39^2 .

It is a super-3 number, since 3×38578042³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38577992 and 38578010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9644509 + ... + 9644512.

Almost surely, 2^38578042 is an apocalyptic number.

38578042 is a deficient number, since it is larger than the sum of its proper divisors (19289024).

38578042 is a wasteful number, since it uses less digits than its factorization.

38578042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19289023.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 38578042 is about 6211.1224428440. The cubic root of 38578042 is about 337.8936735923.

The spelling of 38578042 in words is "thirty-eight million, five hundred seventy-eight thousand, forty-two".