90458660 has 12 divisors (see below), whose sum is σ = 189963228. Its totient is φ = 36183456.

The previous prime is 90458633. The next prime is 90458663. The reversal of 90458660 is 6685409.

It can be written as a sum of positive squares in 2 ways, for example, as 27478564 + 62980096 = 5242^2 + 7936^2 .

It is not an unprimeable number, because it can be changed into a prime (90458663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261447 + ... + 2261486.

It is an arithmetic number, because the mean of its divisors is an integer number (15830269).

Almost surely, 2^90458660 is an apocalyptic number.

It is an amenable number.

90458660 is an abundant number, since it is smaller than the sum of its proper divisors (99504568).

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

90458660 is a wasteful number, since it uses less digits than its factorization.

90458660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522942 (or 4522940 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 90458660 is about 9510.9757648729. The cubic root of 90458660 is about 448.9004595786.

The spelling of 90458660 in words is "ninety million, four hundred fifty-eight thousand, six hundred sixty".