86309998 has 8 divisors (see below), whose sum is σ = 131587560. Its totient is φ = 42447480.

The previous prime is 86309981. The next prime is 86309999. The reversal of 86309998 is 89990368.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86309999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353608 + ... + 353851.

It is an arithmetic number, because the mean of its divisors is an integer number (16448445).

Almost surely, 2^86309998 is an apocalyptic number.

86309998 is a deficient number, since it is larger than the sum of its proper divisors (45277562).

86309998 is a wasteful number, since it uses less digits than its factorization.

86309998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707522.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 86309998 is about 9290.3174326823. The cubic root of 86309998 is about 441.9302217810.

The spelling of 86309998 in words is "eighty-six million, three hundred nine thousand, nine hundred ninety-eight".