90843798 has 16 divisors (see below), whose sum is σ = 183561840. Its totient is φ = 29968896.

The previous prime is 90843791. The next prime is 90843799. The reversal of 90843798 is 89734809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90843791) by changing a digit.

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, 77463 + ... + 78626.

It is an arithmetic number, because the mean of its divisors is an integer number (11472615).

Almost surely, 2^90843798 is an apocalyptic number.

90843798 is an abundant number, since it is smaller than the sum of its proper divisors (92718042).

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

90843798 is a wasteful number, since it uses less digits than its factorization.

90843798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156191.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 90843798 is about 9531.2012884001. The cubic root of 90843798 is about 449.5366390946.

The spelling of 90843798 in words is "ninety million, eight hundred forty-three thousand, seven hundred ninety-eight".