381875100 has 36 divisors (see below), whose sum is σ = 1104892824. Its totient is φ = 101833280.

The previous prime is 381875077. The next prime is 381875111. The reversal of 381875100 is 1578183.

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, 636159 + ... + 636758.

Almost surely, 2^381875100 is an apocalyptic number.

381875100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381875100 is an abundant number, since it is smaller than the sum of its proper divisors (723017724).

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

381875100 is a wasteful number, since it uses less digits than its factorization.

381875100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272934 (or 1272927 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 381875100 is about 19541.6248045038. The cubic root of 381875100 is about 725.5050622624.

The spelling of 381875100 in words is "three hundred eighty-one million, eight hundred seventy-five thousand, one hundred".