98761820 has 24 divisors (see below), whose sum is σ = 214552800. Its totient is φ = 38142272.

The previous prime is 98761801. The next prime is 98761853. The reversal of 98761820 is 2816789.

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, 84560 + ... + 85719.

It is an arithmetic number, because the mean of its divisors is an integer number (8939700).

Almost surely, 2^98761820 is an apocalyptic number.

It is an amenable number.

98761820 is an abundant number, since it is smaller than the sum of its proper divisors (115790980).

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

98761820 is a wasteful number, since it uses less digits than its factorization.

98761820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170317 (or 170315 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 98761820 is about 9937.8981681239. The cubic root of 98761820 is about 462.2352143972.

The spelling of 98761820 in words is "ninety-eight million, seven hundred sixty-one thousand, eight hundred twenty".