99026290 has 32 divisors (see below), whose sum is σ = 204690240. Its totient is φ = 34113600.

The previous prime is 99026281. The next prime is 99026311. The reversal of 99026290 is 9262099.

It is a super-2 number, since 2×99026290² = 19612412222328200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21601 + ... + 25780.

It is an arithmetic number, because the mean of its divisors is an integer number (6396570).

Almost surely, 2^99026290 is an apocalyptic number.

99026290 is an abundant number, since it is smaller than the sum of its proper divisors (105663950).

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

99026290 is a wasteful number, since it uses less digits than its factorization.

99026290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47418.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 99026290 is about 9951.1954055782. The cubic root of 99026290 is about 462.6474465362.

The spelling of 99026290 in words is "ninety-nine million, twenty-six thousand, two hundred ninety".