90664848 has 30 divisors (see below), whose sum is σ = 253736054. Its totient is φ = 30221568.

The previous prime is 90664843. The next prime is 90664877. The reversal of 90664848 is 84846609.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82301184 + 8363664 = 9072^2 + 2892^2 .

It is a super-2 number, since 2×90664848² = 16440229325726208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90664841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314665 + ... + 314952.

Almost surely, 2^90664848 is an apocalyptic number.

It is an amenable number.

90664848 is an abundant number, since it is smaller than the sum of its proper divisors (163071206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90664848 is a wasteful number, since it uses less digits than its factorization.

90664848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629631 (or 629622 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 90664848 is about 9521.8090718098. The cubic root of 90664848 is about 449.2412695964.

The spelling of 90664848 in words is "ninety million, six hundred sixty-four thousand, eight hundred forty-eight".