104660820 has 72 divisors (see below), whose sum is σ = 346338720. Its totient is φ = 25371840.

The previous prime is 104660807. The next prime is 104660861. The reversal of 104660820 is 28066401.

104660820 is a `hidden beast` number, since 10 + 46 + 608 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24450 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (4810260).

Almost surely, 2^104660820 is an apocalyptic number.

104660820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104660820 is an abundant number, since it is smaller than the sum of its proper divisors (241677900).

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

104660820 is a wasteful number, since it uses less digits than its factorization.

104660820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52885 (or 52880 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 104660820 is about 10230.3870894507. The cubic root of 104660820 is about 471.2608667552.

The spelling of 104660820 in words is "one hundred four million, six hundred sixty thousand, eight hundred twenty".