86098921 has 4 divisors (see below), whose sum is σ = 86199552. Its totient is φ = 85998292.

The previous prime is 86098919. The next prime is 86098927. The reversal of 86098921 is 12989068.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86098921 - 2¹ = 86098919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86098927) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49021 + ... + 50746.

It is an arithmetic number, because the mean of its divisors is an integer number (21549888).

Almost surely, 2^86098921 is an apocalyptic number.

It is an amenable number.

86098921 is a deficient number, since it is larger than the sum of its proper divisors (100631).

86098921 is an equidigital number, since it uses as much as digits as its factorization.

86098921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100630.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 86098921 is about 9278.9504255600. The cubic root of 86098921 is about 441.5696708483.

The spelling of 86098921 in words is "eighty-six million, ninety-eight thousand, nine hundred twenty-one".