90820948 has 24 divisors (see below), whose sum is σ = 166767104. Its totient is φ = 43221600.

The previous prime is 90820937. The next prime is 90820957. The reversal of 90820948 is 84902809.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90820948.

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 in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 13567.

Almost surely, 2^90820948 is an apocalyptic number.

It is an amenable number.

90820948 is a deficient number, since it is larger than the sum of its proper divisors (75946156).

90820948 is a wasteful number, since it uses less digits than its factorization.

90820948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103 (or 12101 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 90820948 is about 9530.0025183627. The cubic root of 90820948 is about 449.4989451857.

The spelling of 90820948 in words is "ninety million, eight hundred twenty thousand, nine hundred forty-eight".