98773290 has 128 divisors (see below), whose sum is σ = 328458240. Its totient is φ = 20520000.

The previous prime is 98773219. The next prime is 98773321. The reversal of 98773290 is 9237789.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 18415 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^98773290 is an apocalyptic number.

98773290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98773290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164229120).

98773290 is an abundant number, since it is smaller than the sum of its proper divisors (229684950).

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

98773290 is a wasteful number, since it uses less digits than its factorization.

98773290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 98773290 is about 9938.4752351656. The cubic root of 98773290 is about 462.2531080619.

The spelling of 98773290 in words is "ninety-eight million, seven hundred seventy-three thousand, two hundred ninety".