103898985 has 32 divisors (see below), whose sum is σ = 178174080. Its totient is φ = 51514368.

The previous prime is 103898959. The next prime is 103899001. The reversal of 103898985 is 589898301.

It is not a de Polignac number, because 103898985 - 2⁷ = 103898857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18711 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (5567940).

Almost surely, 2^103898985 is an apocalyptic number.

103898985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103898985 is a deficient number, since it is larger than the sum of its proper divisors (74275095).

103898985 is a wasteful number, since it uses less digits than its factorization.

103898985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 103898985 is about 10193.0851561242. The cubic root of 103898985 is about 470.1146317647.

The spelling of 103898985 in words is "one hundred three million, eight hundred ninety-eight thousand, nine hundred eighty-five".