90258196 has 36 divisors (see below), whose sum is σ = 184778496. Its totient is φ = 38463600.

The previous prime is 90258173. The next prime is 90258197. The reversal of 90258196 is 69185209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90258197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36231 + ... + 38641.

It is an arithmetic number, because the mean of its divisors is an integer number (5132736).

Almost surely, 2^90258196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90258196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92389248).

90258196 is an abundant number, since it is smaller than the sum of its proper divisors (94520300).

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

90258196 is a wasteful number, since it uses less digits than its factorization.

90258196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 90258196 is about 9500.4313586279. The cubic root of 90258196 is about 448.5686139317.

The spelling of 90258196 in words is "ninety million, two hundred fifty-eight thousand, one hundred ninety-six".