100870340 has 12 divisors (see below), whose sum is σ = 211827756. Its totient is φ = 40348128.

The previous prime is 100870321. The next prime is 100870361. The reversal of 100870340 is 43078001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70023424 + 30846916 = 8368^2 + 5554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521739 + ... + 2521778.

It is an arithmetic number, because the mean of its divisors is an integer number (17652313).

Almost surely, 2^100870340 is an apocalyptic number.

100870340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100870340 is an abundant number, since it is smaller than the sum of its proper divisors (110957416).

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

100870340 is a wasteful number, since it uses less digits than its factorization.

100870340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043526 (or 5043524 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 100870340 is about 10043.4227233548. The cubic root of 100870340 is about 465.5015823224.

The spelling of 100870340 in words is "one hundred million, eight hundred seventy thousand, three hundred forty".