100662940 has 48 divisors (see below), whose sum is σ = 248133312. Its totient is φ = 33578496.

The previous prime is 100662929. The next prime is 100662943. The reversal of 100662940 is 49266001.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 100662899 and 100662908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100662943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4537 + ... + 14896.

It is an arithmetic number, because the mean of its divisors is an integer number (5169444).

Almost surely, 2^100662940 is an apocalyptic number.

100662940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100662940 is an abundant number, since it is smaller than the sum of its proper divisors (147470372).

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

100662940 is a wasteful number, since it uses less digits than its factorization.

100662940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19486 (or 19484 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 100662940 is about 10033.0922451655. The cubic root of 100662940 is about 465.1823233848.

The spelling of 100662940 in words is "one hundred million, six hundred sixty-two thousand, nine hundred forty".