384725100 has 36 divisors (see below), whose sum is σ = 1113138824. Its totient is φ = 102593280.

The previous prime is 384725087. The next prime is 384725101. The reversal of 384725100 is 1527483.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384725101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640909 + ... + 641508.

Almost surely, 2^384725100 is an apocalyptic number.

384725100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384725100 is an abundant number, since it is smaller than the sum of its proper divisors (728413724).

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

384725100 is a wasteful number, since it uses less digits than its factorization.

384725100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282434 (or 1282427 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 384725100 is about 19614.4105187997. The cubic root of 384725100 is about 727.3054474389.

The spelling of 384725100 in words is "three hundred eighty-four million, seven hundred twenty-five thousand, one hundred".