103289856 has 44 divisors (see below), whose sum is σ = 275313312. Its totient is φ = 34428928.

The previous prime is 103289821. The next prime is 103289867. The reversal of 103289856 is 658982301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13740 + ... + 19883.

Almost surely, 2^103289856 is an apocalyptic number.

103289856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103289856 is an abundant number, since it is smaller than the sum of its proper divisors (172023456).

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

103289856 is an equidigital number, since it uses as much as digits as its factorization.

103289856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33646 (or 33628 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 103289856 is about 10163.1617127742. The cubic root of 103289856 is about 469.1941161924.

The spelling of 103289856 in words is "one hundred three million, two hundred eighty-nine thousand, eight hundred fifty-six".