90860648 has 16 divisors (see below), whose sum is σ = 180385380. Its totient is φ = 42757888.

The previous prime is 90860621. The next prime is 90860687. The reversal of 90860648 is 84606809.

It can be written as a sum of positive squares in 2 ways, for example, as 90592324 + 268324 = 9518^2 + 518^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 333911 + ... + 334182.

Almost surely, 2^90860648 is an apocalyptic number.

It is an amenable number.

90860648 is a deficient number, since it is larger than the sum of its proper divisors (89524732).

90860648 is a wasteful number, since it uses less digits than its factorization.

90860648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668116 (or 668112 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 90860648 is about 9532.0851863588. The cubic root of 90860648 is about 449.5644312105.

The spelling of 90860648 in words is "ninety million, eight hundred sixty thousand, six hundred forty-eight".