38201870 has 48 divisors (see below), whose sum is σ = 81554688. Its totient is φ = 12841920.

The previous prime is 38201869. The next prime is 38201881. The reversal of 38201870 is 7810283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25235 + ... + 26705.

It is an arithmetic number, because the mean of its divisors is an integer number (1699056).

Almost surely, 2^38201870 is an apocalyptic number.

38201870 is an abundant number, since it is smaller than the sum of its proper divisors (43352818).

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

38201870 is a wasteful number, since it uses less digits than its factorization.

38201870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 38201870 is about 6180.7661337410. The cubic root of 38201870 is about 336.7918246333.

The spelling of 38201870 in words is "thirty-eight million, two hundred one thousand, eight hundred seventy".