38578032 has 150 divisors (see below), whose sum is σ = 119761928. Its totient is φ = 11985408.

The previous prime is 38578021. The next prime is 38578039. The reversal of 38578032 is 23087583.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38578039) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 374493 + ... + 374595.

Almost surely, 2^38578032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38578032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59880964).

38578032 is an abundant number, since it is smaller than the sum of its proper divisors (81183896).

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

38578032 is a wasteful number, since it uses less digits than its factorization.

38578032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 38578032 is about 6211.1216378364. The cubic root of 38578032 is about 337.8936443966.

The spelling of 38578032 in words is "thirty-eight million, five hundred seventy-eight thousand, thirty-two".