38042172 has 36 divisors (see below), whose sum is σ = 109900336. Its totient is φ = 10869120.

The previous prime is 38042149. The next prime is 38042201. The reversal of 38042172 is 27124083.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75229 + ... + 75732.

Almost surely, 2^38042172 is an apocalyptic number.

It is an amenable number.

38042172 is an abundant number, since it is smaller than the sum of its proper divisors (71858164).

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

38042172 is a wasteful number, since it uses less digits than its factorization.

38042172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150978 (or 150973 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 38042172 is about 6167.8336553445. The cubic root of 38042172 is about 336.3218641975.

The spelling of 38042172 in words is "thirty-eight million, forty-two thousand, one hundred seventy-two".