98797644 has 120 divisors (see below), whose sum is σ = 296788800. Its totient is φ = 28343520.

The previous prime is 98797607. The next prime is 98797681. The reversal of 98797644 is 44679789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (98797607) and next prime (98797681).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66987 + ... + 68445.

It is an arithmetic number, because the mean of its divisors is an integer number (2473240).

Almost surely, 2^98797644 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 98797644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148394400).

98797644 is an abundant number, since it is smaller than the sum of its proper divisors (197991156).

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

98797644 is a wasteful number, since it uses less digits than its factorization.

98797644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1494 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 98797644 is about 9939.7003978993. The cubic root of 98797644 is about 462.2910966959.

The spelling of 98797644 in words is "ninety-eight million, seven hundred ninety-seven thousand, six hundred forty-four".