104595821 has 16 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 92620080.

The previous prime is 104595811. The next prime is 104595833. The reversal of 104595821 is 128595401.

It is a de Polignac number, because none of the positive numbers 2^k-104595821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104595811) 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, 158390 + ... + 159048.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^104595821 is an apocalyptic number.

104595821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104595821 is a deficient number, since it is larger than the sum of its proper divisors (12493459).

104595821 is a wasteful number, since it uses less digits than its factorization.

104595821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 104595821 is about 10227.2098345541. The cubic root of 104595821 is about 471.1632886025.

The spelling of 104595821 in words is "one hundred four million, five hundred ninety-five thousand, eight hundred twenty-one".