99208790 has 16 divisors (see below), whose sum is σ = 178696368. Its totient is φ = 39656736.

The previous prime is 99208777. The next prime is 99208799. The reversal of 99208790 is 9780299.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99208799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19889 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (11168523).

Almost surely, 2^99208790 is an apocalyptic number.

99208790 is a deficient number, since it is larger than the sum of its proper divisors (79487578).

99208790 is a wasteful number, since it uses less digits than its factorization.

99208790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 99208790 is about 9960.3609372352. The cubic root of 99208790 is about 462.9314833762.

The spelling of 99208790 in words is "ninety-nine million, two hundred eight thousand, seven hundred ninety".