104587621 has 8 divisors (see below), whose sum is σ = 111838104. Its totient is φ = 97459200.

The previous prime is 104587607. The next prime is 104587657. The reversal of 104587621 is 126785401.

It can be written as a sum of positive squares in 4 ways, for example, as 20205025 + 84382596 = 4495^2 + 9186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104587621 - 2¹¹ = 104585573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104587661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28740 + ... + 32173.

It is an arithmetic number, because the mean of its divisors is an integer number (13979763).

Almost surely, 2^104587621 is an apocalyptic number.

It is an amenable number.

104587621 is a deficient number, since it is larger than the sum of its proper divisors (7250483).

104587621 is a wasteful number, since it uses less digits than its factorization.

104587621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61031.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 104587621 is about 10226.8089353424. The cubic root of 104587621 is about 471.1509756825.

The spelling of 104587621 in words is "one hundred four million, five hundred eighty-seven thousand, six hundred twenty-one".