103999436 has 6 divisors (see below), whose sum is σ = 181999020. Its totient is φ = 51999716.

The previous prime is 103999433. The next prime is 103999439. The reversal of 103999436 is 634999301.

It is an interprime number because it is at equal distance from previous prime (103999433) and next prime (103999439).

It is not an unprimeable number, because it can be changed into a prime (103999433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12999926 + ... + 12999933.

It is an arithmetic number, because the mean of its divisors is an integer number (30333170).

Almost surely, 2^103999436 is an apocalyptic number.

It is an amenable number.

103999436 is a deficient number, since it is larger than the sum of its proper divisors (77999584).

103999436 is a wasteful number, since it uses less digits than its factorization.

103999436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25999863 (or 25999861 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 103999436 is about 10198.0113747730. The cubic root of 103999436 is about 470.2660874447.

The spelling of 103999436 in words is "one hundred three million, nine hundred ninety-nine thousand, four hundred thirty-six".