98744040 has 96 divisors (see below), whose sum is σ = 324155520. Its totient is φ = 26066304.

The previous prime is 98744029. The next prime is 98744047. The reversal of 98744040 is 4044789.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 98743986 and 98744004.

It is not an unprimeable number, because it can be changed into a prime (98744047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35749 + ... + 38411.

It is an arithmetic number, because the mean of its divisors is an integer number (3376620).

Almost surely, 2^98744040 is an apocalyptic number.

98744040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98744040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162077760).

98744040 is an abundant number, since it is smaller than the sum of its proper divisors (225411480).

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

98744040 is a wasteful number, since it uses less digits than its factorization.

98744040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 98744040 is about 9937.0035725062. The cubic root of 98744040 is about 462.2074741384.

The spelling of 98744040 in words is "ninety-eight million, seven hundred forty-four thousand, forty".