104640210 has 24 divisors (see below), whose sum is σ = 272064780. Its totient is φ = 27904032.

The previous prime is 104640209. The next prime is 104640233. The reversal of 104640210 is 12046401.

104640210 is a `hidden beast` number, since 1 + 0 + 4 + 640 + 21 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94887081 + 9753129 = 9741^2 + 3123^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581245 + ... + 581424.

Almost surely, 2^104640210 is an apocalyptic number.

104640210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104640210 is an abundant number, since it is smaller than the sum of its proper divisors (167424570).

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

104640210 is a wasteful number, since it uses less digits than its factorization.

104640210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162682 (or 1162679 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104640210 is about 10229.3797465927. The cubic root of 104640210 is about 471.2299308740.

Adding to 104640210 its reverse (12046401), we get a palindrome (116686611).

The spelling of 104640210 in words is "one hundred four million, six hundred forty thousand, two hundred ten".