90529900 has 18 divisors (see below), whose sum is σ = 196450100. Its totient is φ = 36211920.

The previous prime is 90529897. The next prime is 90529903. The reversal of 90529900 is 992509.

It is an interprime number because it is at equal distance from previous prime (90529897) and next prime (90529903).

It is not an unprimeable number, because it can be changed into a prime (90529903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452550 + ... + 452749.

Almost surely, 2^90529900 is an apocalyptic number.

It is an amenable number.

90529900 is an abundant number, since it is smaller than the sum of its proper divisors (105920200).

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

90529900 is a wasteful number, since it uses less digits than its factorization.

90529900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905313 (or 905306 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 90529900 is about 9514.7201745506. The cubic root of 90529900 is about 449.0182713219.

The spelling of 90529900 in words is "ninety million, five hundred twenty-nine thousand, nine hundred".