100378936 has 32 divisors (see below), whose sum is σ = 215439840. Its totient is φ = 42951168.

The previous prime is 100378933. The next prime is 100378937. The reversal of 100378936 is 639873001.

It is a junction number, because it is equal to n+sod(n) for n = 100378895 and 100378904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100378933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51516 + ... + 53428.

It is an arithmetic number, because the mean of its divisors is an integer number (6732495).

Almost surely, 2^100378936 is an apocalyptic number.

It is an amenable number.

100378936 is an abundant number, since it is smaller than the sum of its proper divisors (115060904).

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

100378936 is a wasteful number, since it uses less digits than its factorization.

100378936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 100378936 is about 10018.9288848659. The cubic root of 100378936 is about 464.7444327325.

The spelling of 100378936 in words is "one hundred million, three hundred seventy-eight thousand, nine hundred thirty-six".