100387404 has 96 divisors (see below), whose sum is σ = 282992640. Its totient is φ = 30590784.

The previous prime is 100387403. The next prime is 100387411. The reversal of 100387404 is 404783001.

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

It is not an unprimeable number, because it can be changed into a prime (100387403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178027 + ... + 178589.

It is an arithmetic number, because the mean of its divisors is an integer number (2947840).

Almost surely, 2^100387404 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 100387404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141496320).

100387404 is an abundant number, since it is smaller than the sum of its proper divisors (182605236).

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

100387404 is a wasteful number, since it uses less digits than its factorization.

100387404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 100387404 is about 10019.3514760188. The cubic root of 100387404 is about 464.7575010294.

The spelling of 100387404 in words is "one hundred million, three hundred eighty-seven thousand, four hundred four".