90992963 has 4 divisors (see below), whose sum is σ = 91041600. Its totient is φ = 90944328.

The previous prime is 90992939. The next prime is 90992969. The reversal of 90992963 is 36929909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90992963 - 2¹² = 90988867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90992969) by changing a digit.

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, 21395 + ... + 25292.

It is an arithmetic number, because the mean of its divisors is an integer number (22760400).

Almost surely, 2^90992963 is an apocalyptic number.

90992963 is a deficient number, since it is larger than the sum of its proper divisors (48637).

90992963 is a wasteful number, since it uses less digits than its factorization.

90992963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48636.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 90992963 is about 9539.0231680188. The cubic root of 90992963 is about 449.7825500844.

The spelling of 90992963 in words is "ninety million, nine hundred ninety-two thousand, nine hundred sixty-three".