90843498 has 16 divisors (see below), whose sum is σ = 201874560. Its totient is φ = 30281148.

The previous prime is 90843479. The next prime is 90843499. The reversal of 90843498 is 89434809.

It is a happy number.

It is a super-2 number, since 2×90843498² = 16505082257752008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90843499) 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, 841090 + ... + 841197.

It is an arithmetic number, because the mean of its divisors is an integer number (12617160).

Almost surely, 2^90843498 is an apocalyptic number.

90843498 is an abundant number, since it is smaller than the sum of its proper divisors (111031062).

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

90843498 is a wasteful number, since it uses less digits than its factorization.

90843498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682298 (or 1682292 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 90843498 is about 9531.1855506018. The cubic root of 90843498 is about 449.5361442484.

The spelling of 90843498 in words is "ninety million, eight hundred forty-three thousand, four hundred ninety-eight".