90098825 has 6 divisors (see below), whose sum is σ = 111722574. Its totient is φ = 72079040.

The previous prime is 90098819. The next prime is 90098837. The reversal of 90098825 is 52889009.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7070281 + 83028544 = 2659^2 + 9112^2 .

It is not a de Polignac number, because 90098825 - 2⁶ = 90098761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1801952 + ... + 1802001.

It is an arithmetic number, because the mean of its divisors is an integer number (18620429).

Almost surely, 2^90098825 is an apocalyptic number.

It is an amenable number.

90098825 is a deficient number, since it is larger than the sum of its proper divisors (21623749).

90098825 is a wasteful number, since it uses less digits than its factorization.

90098825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603963 (or 3603958 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 90098825 is about 9492.0400863039. The cubic root of 90098825 is about 448.3044423678.

The spelling of 90098825 in words is "ninety million, ninety-eight thousand, eight hundred twenty-five".