100784940 has 48 divisors (see below), whose sum is σ = 285123552. Its totient is φ = 26597376.

The previous prime is 100784939. The next prime is 100784969. The reversal of 100784940 is 49487001.

100784940 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×100784940³ (a number of 25 digits) contains 333 as substring.

100784940 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2839 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (5940074).

Almost surely, 2^100784940 is an apocalyptic number.

100784940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100784940 is an abundant number, since it is smaller than the sum of its proper divisors (184338612).

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

100784940 is a wasteful number, since it uses less digits than its factorization.

100784940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17426 (or 17424 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 100784940 is about 10039.1702844408. The cubic root of 100784940 is about 465.3701758080.

The spelling of 100784940 in words is "one hundred million, seven hundred eighty-four thousand, nine hundred forty".