98346640 has 80 divisors (see below), whose sum is σ = 265697280. Its totient is φ = 33154560.

The previous prime is 98346637. The next prime is 98346653. The reversal of 98346640 is 4664389.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 98346593 and 98346602.

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 15 ways as a sum of consecutive naturals, for example, 32721 + ... + 35599.

It is an arithmetic number, because the mean of its divisors is an integer number (3321216).

Almost surely, 2^98346640 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 98346640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132848640).

98346640 is an abundant number, since it is smaller than the sum of its proper divisors (167350640).

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

98346640 is a wasteful number, since it uses less digits than its factorization.

98346640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 98346640 is about 9916.9874457922. The cubic root of 98346640 is about 461.5865819343.

The spelling of 98346640 in words is "ninety-eight million, three hundred forty-six thousand, six hundred forty".