90854216 has 16 divisors (see below), whose sum is σ = 176226300. Its totient is φ = 43860544.

The previous prime is 90854191. The next prime is 90854249. The reversal of 90854216 is 61245809.

It can be written as a sum of positive squares in 2 ways, for example, as 78393316 + 12460900 = 8854^2 + 3530^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195575 + ... + 196038.

Almost surely, 2^90854216 is an apocalyptic number.

It is an amenable number.

90854216 is a deficient number, since it is larger than the sum of its proper divisors (85372084).

90854216 is a wasteful number, since it uses less digits than its factorization.

90854216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391648 (or 391644 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 90854216 is about 9531.7477935581. The cubic root of 90854216 is about 449.5538227799.

The spelling of 90854216 in words is "ninety million, eight hundred fifty-four thousand, two hundred sixteen".