104285990 has 16 divisors (see below), whose sum is σ = 198757152. Its totient is φ = 39260544.

The previous prime is 104285971. The next prime is 104285999. The reversal of 104285990 is 99582401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104285999) 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, 306554 + ... + 306893.

It is an arithmetic number, because the mean of its divisors is an integer number (12422322).

Almost surely, 2^104285990 is an apocalyptic number.

104285990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104285990 is a deficient number, since it is larger than the sum of its proper divisors (94471162).

104285990 is a wasteful number, since it uses less digits than its factorization.

104285990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613471.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 104285990 is about 10212.0512141293. The cubic root of 104285990 is about 470.6976059729.

The spelling of 104285990 in words is "one hundred four million, two hundred eighty-five thousand, nine hundred ninety".