104253640 has 32 divisors (see below), whose sum is σ = 235467000. Its totient is φ = 41542144.

The previous prime is 104253607. The next prime is 104253701. The reversal of 104253640 is 46352401.

It can be written as a sum of positive squares in 4 ways, for example, as 61246276 + 43007364 = 7826^2 + 6558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5916 + ... + 15604.

Almost surely, 2^104253640 is an apocalyptic number.

104253640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104253640 is an abundant number, since it is smaller than the sum of its proper divisors (131213360).

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

104253640 is a wasteful number, since it uses less digits than its factorization.

104253640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969 (or 9965 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 104253640 is about 10210.4671783420. The cubic root of 104253640 is about 470.6489300759.

The spelling of 104253640 in words is "one hundred four million, two hundred fifty-three thousand, six hundred forty".