90605106 has 24 divisors (see below), whose sum is σ = 203081580. Its totient is φ = 29160096.

The previous prime is 90605101. The next prime is 90605107. The reversal of 90605106 is 60150609.

90605106 is a `hidden beast` number, since 90 + 60 + 510 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79655625 + 10949481 = 8925^2 + 3309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90605106.

It is not an unprimeable number, because it can be changed into a prime (90605101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86265 + ... + 87308.

Almost surely, 2^90605106 is an apocalyptic number.

90605106 is an abundant number, since it is smaller than the sum of its proper divisors (112476474).

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

90605106 is a wasteful number, since it uses less digits than its factorization.

90605106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173610 (or 173607 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 90605106 is about 9518.6714409102. The cubic root of 90605106 is about 449.1425747159.

The spelling of 90605106 in words is "ninety million, six hundred five thousand, one hundred six".