84398566 has 8 divisors (see below), whose sum is σ = 144683280. Its totient is φ = 36170808.

The previous prime is 84398539. The next prime is 84398593. The reversal of 84398566 is 66589348.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84398539) and next prime (84398593).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014221 + ... + 3014248.

It is an arithmetic number, because the mean of its divisors is an integer number (18085410).

Almost surely, 2^84398566 is an apocalyptic number.

84398566 is a deficient number, since it is larger than the sum of its proper divisors (60284714).

84398566 is a wasteful number, since it uses less digits than its factorization.

84398566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028478.

The product of its digits is 1244160, while the sum is 49.

The square root of 84398566 is about 9186.8692164415. The cubic root of 84398566 is about 438.6434909469.

The spelling of 84398566 in words is "eighty-four million, three hundred ninety-eight thousand, five hundred sixty-six".