86498621 has 8 divisors (see below), whose sum is σ = 99328800. Its totient is φ = 74496240.

The previous prime is 86498617. The next prime is 86498623. The reversal of 86498621 is 12689468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86498621 - 2² = 86498617 is a prime.

It is a super-2 number, since 2×86498621² = 14964022869803282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86498623) by changing a digit.

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, 206726 + ... + 207143.

It is an arithmetic number, because the mean of its divisors is an integer number (12416100).

Almost surely, 2^86498621 is an apocalyptic number.

It is an amenable number.

86498621 is a deficient number, since it is larger than the sum of its proper divisors (12830179).

86498621 is a wasteful number, since it uses less digits than its factorization.

86498621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413899.

The product of its digits is 165888, while the sum is 44.

The square root of 86498621 is about 9300.4634830744. The cubic root of 86498621 is about 442.2519209110.

The spelling of 86498621 in words is "eighty-six million, four hundred ninety-eight thousand, six hundred twenty-one".