90845908 has 6 divisors (see below), whose sum is σ = 158980346. Its totient is φ = 45422952.

The previous prime is 90845827. The next prime is 90845927. The reversal of 90845908 is 80954809.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 12027024 = 8878^2 + 3468^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 11355735 + ... + 11355742.

Almost surely, 2^90845908 is an apocalyptic number.

It is an amenable number.

90845908 is a deficient number, since it is larger than the sum of its proper divisors (68134438).

90845908 is a wasteful number, since it uses less digits than its factorization.

90845908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22711481 (or 22711479 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 90845908 is about 9531.3119768477. The cubic root of 90845908 is about 449.5401194825.

The spelling of 90845908 in words is "ninety million, eight hundred forty-five thousand, nine hundred eight".