104420985 has 32 divisors (see below), whose sum is σ = 172824960. Its totient is φ = 53803008.

The previous prime is 104420983. The next prime is 104420999. The reversal of 104420985 is 589024401.

It is not a de Polignac number, because 104420985 - 2¹ = 104420983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104420983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61731 + ... + 63399.

It is an arithmetic number, because the mean of its divisors is an integer number (5400780).

Almost surely, 2^104420985 is an apocalyptic number.

104420985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104420985 is a deficient number, since it is larger than the sum of its proper divisors (68403975).

104420985 is a wasteful number, since it uses less digits than its factorization.

104420985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 104420985 is about 10218.6586693166. The cubic root of 104420985 is about 470.9006195812.

The spelling of 104420985 in words is "one hundred four million, four hundred twenty thousand, nine hundred eighty-five".