90001662 has 16 divisors (see below), whose sum is σ = 181213200. Its totient is φ = 29798912.

The previous prime is 90001633. The next prime is 90001669. The reversal of 90001662 is 26610009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90001669) 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, 49443 + ... + 51230.

It is an arithmetic number, because the mean of its divisors is an integer number (11325825).

Almost surely, 2^90001662 is an apocalyptic number.

90001662 is an abundant number, since it is smaller than the sum of its proper divisors (91211538).

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

90001662 is a wasteful number, since it uses less digits than its factorization.

90001662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100827.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90001662 is about 9486.9205751919. The cubic root of 90001662 is about 448.1432331923.

The spelling of 90001662 in words is "ninety million, one thousand, six hundred sixty-two".