104581590 has 32 divisors (see below), whose sum is σ = 256836096. Its totient is φ = 27239520.

The previous prime is 104581583. The next prime is 104581591. The reversal of 104581590 is 95185401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104581591) 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, 39246 + ... + 41825.

It is an arithmetic number, because the mean of its divisors is an integer number (8026128).

Almost surely, 2^104581590 is an apocalyptic number.

104581590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104581590 is an abundant number, since it is smaller than the sum of its proper divisors (152254506).

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

104581590 is a wasteful number, since it uses less digits than its factorization.

104581590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81124.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 104581590 is about 10226.5140688311. The cubic root of 104581590 is about 471.1419192692.

The spelling of 104581590 in words is "one hundred four million, five hundred eighty-one thousand, five hundred ninety".