90468798 has 96 divisors (see below), whose sum is σ = 232844544. Its totient is φ = 23240448.

The previous prime is 90468797. The next prime is 90468809. The reversal of 90468798 is 89786409.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 90468798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90468797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114561 + ... + 115347.

It is an arithmetic number, because the mean of its divisors is an integer number (2425464).

Almost surely, 2^90468798 is an apocalyptic number.

90468798 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90468798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116422272).

90468798 is an abundant number, since it is smaller than the sum of its proper divisors (142375746).

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

90468798 is a wasteful number, since it uses less digits than its factorization.

90468798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 90468798 is about 9511.5087131327. The cubic root of 90468798 is about 448.9172288699.

The spelling of 90468798 in words is "ninety million, four hundred sixty-eight thousand, seven hundred ninety-eight".