90454900 has 36 divisors (see below), whose sum is σ = 202625920. Its totient is φ = 35013600.

The previous prime is 90454879. The next prime is 90454901. The reversal of 90454900 is 945409.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90454901) 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, 11490 + ... + 17689.

Almost surely, 2^90454900 is an apocalyptic number.

It is an amenable number.

90454900 is an abundant number, since it is smaller than the sum of its proper divisors (112171020).

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

90454900 is a wasteful number, since it uses less digits than its factorization.

90454900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29224 (or 29217 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 90454900 is about 9510.7780964546. The cubic root of 90454900 is about 448.8942398346.

The spelling of 90454900 in words is "ninety million, four hundred fifty-four thousand, nine hundred".