86998620 has 24 divisors (see below), whose sum is σ = 243596304. Its totient is φ = 23199616.

The previous prime is 86998619. The next prime is 86998631. The reversal of 86998620 is 2689968.

It is a self number, because there is not a number n which added to its sum of digits gives 86998620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724929 + ... + 725048.

It is an arithmetic number, because the mean of its divisors is an integer number (10149846).

Almost surely, 2^86998620 is an apocalyptic number.

It is an amenable number.

86998620 is an abundant number, since it is smaller than the sum of its proper divisors (156597684).

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

86998620 is a wasteful number, since it uses less digits than its factorization.

86998620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449989 (or 1449987 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 86998620 is about 9327.3050770306. The cubic root of 86998620 is about 443.1024193042.

The spelling of 86998620 in words is "eighty-six million, nine hundred ninety-eight thousand, six hundred twenty".