38542500 has 120 divisors (see below), whose sum is σ = 125084960. Its totient is φ = 10260000.

The previous prime is 38542489. The next prime is 38542523. The reversal of 38542500 is 524583.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67215 + ... + 67785.

Almost surely, 2^38542500 is an apocalyptic number.

38542500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62542480).

38542500 is an abundant number, since it is smaller than the sum of its proper divisors (86542460).

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

38542500 is a wasteful number, since it uses less digits than its factorization.

38542500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 38542500 is about 6208.2606259725. The cubic root of 38542500 is about 337.7898744161.

The spelling of 38542500 in words is "thirty-eight million, five hundred forty-two thousand, five hundred".