90799848 has 24 divisors (see below), whose sum is σ = 245916450. Its totient is φ = 30266592.

The previous prime is 90799843. The next prime is 90799853. The reversal of 90799848 is 84899709.

It is an interprime number because it is at equal distance from previous prime (90799843) and next prime (90799853).

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 3526884 = 9342^2 + 1878^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×90799848² = 16489224793646208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90799794 and 90799803.

It is not an unprimeable number, because it can be changed into a prime (90799843) 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, 630483 + ... + 630626.

Almost surely, 2^90799848 is an apocalyptic number.

It is an amenable number.

90799848 is an abundant number, since it is smaller than the sum of its proper divisors (155116602).

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

90799848 is a wasteful number, since it uses less digits than its factorization.

90799848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261121 (or 1261114 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 90799848 is about 9528.8954239198. The cubic root of 90799848 is about 449.4641325037.

The spelling of 90799848 in words is "ninety million, seven hundred ninety-nine thousand, eight hundred forty-eight".