90398058 has 8 divisors (see below), whose sum is σ = 180796128. Its totient is φ = 30132684.

The previous prime is 90398057. The next prime is 90398093. The reversal of 90398058 is 85089309.

It is a sphenic number, since it is the product of 3 distinct primes.

90398058 is an admirable number.

It is a super-3 number, since 3×90398058³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90398051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7533166 + ... + 7533177.

It is an arithmetic number, because the mean of its divisors is an integer number (22599516).

Almost surely, 2^90398058 is an apocalyptic number.

90398058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90398058 is a wasteful number, since it uses less digits than its factorization.

90398058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066348.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 90398058 is about 9507.7893329627. The cubic root of 90398058 is about 448.8001915188.

The spelling of 90398058 in words is "ninety million, three hundred ninety-eight thousand, fifty-eight".