90495318 has 32 divisors (see below), whose sum is σ = 192848256. Its totient is φ = 28211328.

The previous prime is 90495313. The next prime is 90495329. The reversal of 90495318 is 81359409.

It is a super-2 number, since 2×90495318² = 16378805159842248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90495313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13905 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (6026508).

Almost surely, 2^90495318 is an apocalyptic number.

90495318 is an abundant number, since it is smaller than the sum of its proper divisors (102352938).

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

90495318 is a wasteful number, since it uses less digits than its factorization.

90495318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90495318 is about 9512.9027115807. The cubic root of 90495318 is about 448.9610897444.

The spelling of 90495318 in words is "ninety million, four hundred ninety-five thousand, three hundred eighteen".