99045690 has 32 divisors (see below), whose sum is σ = 238930560. Its totient is φ = 26276544.

The previous prime is 99045679. The next prime is 99045691. The reversal of 99045690 is 9654099.

It is a happy number.

It is a super-2 number, since 2×99045690² = 19620097415152200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99045691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (7466580).

Almost surely, 2^99045690 is an apocalyptic number.

99045690 is an abundant number, since it is smaller than the sum of its proper divisors (139884870).

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

99045690 is a wasteful number, since it uses less digits than its factorization.

99045690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16966.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 99045690 is about 9952.1701151055. The cubic root of 99045690 is about 462.6776566094.

The spelling of 99045690 in words is "ninety-nine million, forty-five thousand, six hundred ninety".