90000026 has 8 divisors (see below), whose sum is σ = 136901664. Its totient is φ = 44366140.

The previous prime is 89999999. The next prime is 90000049. The reversal of 90000026 is 62000009.

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

It is a junction number, because it is equal to n+sod(n) for n = 89999959 and 90000013.

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, 316760 + ... + 317043.

It is an arithmetic number, because the mean of its divisors is an integer number (17112708).

Almost surely, 2^90000026 is an apocalyptic number.

90000026 is a deficient number, since it is larger than the sum of its proper divisors (46901638).

90000026 is a wasteful number, since it uses less digits than its factorization.

90000026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633876.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90000026 is about 9486.8343508254. The cubic root of 90000026 is about 448.1405178100.

Subtracting from 90000026 its sum of digits (17), we obtain a palindrome (90000009).

The spelling of 90000026 in words is "ninety million, twenty-six", and thus it is an aban number and an uban number.