104641640 has 16 divisors (see below), whose sum is σ = 235443780. Its totient is φ = 41856640.

The previous prime is 104641637. The next prime is 104641643. The reversal of 104641640 is 46146401.

It is an interprime number because it is at equal distance from previous prime (104641637) and next prime (104641643).

It can be written as a sum of positive squares in 2 ways, for example, as 104325796 + 315844 = 10214^2 + 562^2 .

It is not an unprimeable number, because it can be changed into a prime (104641643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307981 + ... + 1308060.

Almost surely, 2^104641640 is an apocalyptic number.

104641640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104641640 is an abundant number, since it is smaller than the sum of its proper divisors (130802140).

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

104641640 is a wasteful number, since it uses less digits than its factorization.

104641640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616052 (or 2616048 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 104641640 is about 10229.4496430649. The cubic root of 104641640 is about 471.2320774540.

The spelling of 104641640 in words is "one hundred four million, six hundred forty-one thousand, six hundred forty".