90099010 has 8 divisors (see below), whose sum is σ = 162178236. Its totient is φ = 36039600.

The previous prime is 90099001. The next prime is 90099091. The reversal of 90099010 is 1099009.

It can be written as a sum of positive squares in 2 ways, for example, as 89283601 + 815409 = 9449^2 + 903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90099010.

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, 4504941 + ... + 4504960.

Almost surely, 2^90099010 is an apocalyptic number.

90099010 is a deficient number, since it is larger than the sum of its proper divisors (72079226).

90099010 is a wasteful number, since it uses less digits than its factorization.

90099010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009908.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 90099010 is about 9492.0498313062. The cubic root of 90099010 is about 448.3047492022.

The spelling of 90099010 in words is "ninety million, ninety-nine thousand, ten".