90269026 has 16 divisors (see below), whose sum is σ = 138290904. Its totient is φ = 44181504.

The previous prime is 90269021. The next prime is 90269077. The reversal of 90269026 is 62096209.

It can be written as a sum of positive squares in 4 ways, for example, as 53071225 + 37197801 = 7285^2 + 6099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90268982 and 90269000.

It is not an unprimeable number, because it can be changed into a prime (90269021) 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, 17746 + ... + 22258.

Almost surely, 2^90269026 is an apocalyptic number.

90269026 is a deficient number, since it is larger than the sum of its proper divisors (48021878).

90269026 is a wasteful number, since it uses less digits than its factorization.

90269026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90269026 is about 9501.0013156509. The cubic root of 90269026 is about 448.5865543294.

The spelling of 90269026 in words is "ninety million, two hundred sixty-nine thousand, twenty-six".