90884648 has 16 divisors (see below), whose sum is σ = 172097460. Its totient is φ = 44992000.

The previous prime is 90884641. The next prime is 90884687. The reversal of 90884648 is 84648809.

It can be written as a sum of positive squares in 2 ways, for example, as 58644964 + 32239684 = 7658^2 + 5678^2 .

It is not an unprimeable number, because it can be changed into a prime (90884641) 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, 55433 + ... + 57048.

Almost surely, 2^90884648 is an apocalyptic number.

It is an amenable number.

90884648 is a deficient number, since it is larger than the sum of its proper divisors (81212812).

90884648 is a wasteful number, since it uses less digits than its factorization.

90884648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112588 (or 112584 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 90884648 is about 9533.3440093180. The cubic root of 90884648 is about 449.6040104884.

The spelling of 90884648 in words is "ninety million, eight hundred eighty-four thousand, six hundred forty-eight".