90213118 has 8 divisors (see below), whose sum is σ = 143279712. Its totient is φ = 42453216.

The previous prime is 90213103. The next prime is 90213119. The reversal of 90213118 is 81131209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90213092 and 90213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90213119) 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, 1326630 + ... + 1326697.

It is an arithmetic number, because the mean of its divisors is an integer number (17909964).

Almost surely, 2^90213118 is an apocalyptic number.

90213118 is a deficient number, since it is larger than the sum of its proper divisors (53066594).

90213118 is a wasteful number, since it uses less digits than its factorization.

90213118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653346.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 90213118 is about 9498.0586437440. The cubic root of 90213118 is about 448.4939247102.

The spelling of 90213118 in words is "ninety million, two hundred thirteen thousand, one hundred eighteen".