98793840 has 40 divisors (see below), whose sum is σ = 306261648. Its totient is φ = 26344960.

The previous prime is 98793769. The next prime is 98793889. The reversal of 98793840 is 4839789.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 98793840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205581 + ... + 206060.

Almost surely, 2^98793840 is an apocalyptic number.

It is an amenable number.

98793840 is an abundant number, since it is smaller than the sum of its proper divisors (207467808).

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

98793840 is a wasteful number, since it uses less digits than its factorization.

98793840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411657 (or 411651 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 98793840 is about 9939.5090422012. The cubic root of 98793840 is about 462.2851634305.

The spelling of 98793840 in words is "ninety-eight million, seven hundred ninety-three thousand, eight hundred forty".