99503690 has 64 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 33104640.

The previous prime is 99503641. The next prime is 99503711. The reversal of 99503690 is 9630599.

It is a happy number.

It is a super-2 number, since 2×99503690² = 19801968647232200, which contains 22 as substring.

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, 212837 + ... + 213303.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^99503690 is an apocalyptic number.

99503690 is an abundant number, since it is smaller than the sum of its proper divisors (112781110).

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

99503690 is a wasteful number, since it uses less digits than its factorization.

99503690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 99503690 is about 9975.1536329021. The cubic root of 99503690 is about 463.3897204923.

The spelling of 99503690 in words is "ninety-nine million, five hundred three thousand, six hundred ninety".