89840648 has 16 divisors (see below), whose sum is σ = 178360380. Its totient is φ = 42277888.

The previous prime is 89840633. The next prime is 89840651. The reversal of 89840648 is 84604898.

It can be written as a sum of positive squares in 2 ways, for example, as 89453764 + 386884 = 9458^2 + 622^2 .

It is a super-3 number, since 3×89840648³ (a number of 25 digits) contains 333 as substring.

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, 330161 + ... + 330432.

Almost surely, 2^89840648 is an apocalyptic number.

It is an amenable number.

89840648 is a deficient number, since it is larger than the sum of its proper divisors (88519732).

89840648 is a wasteful number, since it uses less digits than its factorization.

89840648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660616 (or 660612 counting only the distinct ones).

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

The square root of 89840648 is about 9478.4306717937. The cubic root of 89840648 is about 447.8758292138.

The spelling of 89840648 in words is "eighty-nine million, eight hundred forty thousand, six hundred forty-eight".