90476986 has 12 divisors (see below), whose sum is σ = 141874362. Its totient is φ = 43271096.

The previous prime is 90476983. The next prime is 90476999. The reversal of 90476986 is 68967409.

It can be written as a sum of positive squares in only one way, i.e., 63696361 + 26780625 = 7981^2 + 5175^2 .

It is not an unprimeable number, because it can be changed into a prime (90476983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41701 + ... + 43816.

Almost surely, 2^90476986 is an apocalyptic number.

90476986 is a deficient number, since it is larger than the sum of its proper divisors (51397376).

90476986 is a wasteful number, since it uses less digits than its factorization.

90476986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85565 (or 85542 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 90476986 is about 9511.9391293258. The cubic root of 90476986 is about 448.9307717468.

The spelling of 90476986 in words is "ninety million, four hundred seventy-six thousand, nine hundred eighty-six".