84646393 has 16 divisors (see below), whose sum is σ = 93257920. Its totient is φ = 76355136.

The previous prime is 84646381. The next prime is 84646411. The reversal of 84646393 is 39364648.

It is not a de Polignac number, because 84646393 - 2⁵ = 84646361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84646193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136438 + ... + 137056.

It is an arithmetic number, because the mean of its divisors is an integer number (5828620).

Almost surely, 2^84646393 is an apocalyptic number.

It is an amenable number.

84646393 is a deficient number, since it is larger than the sum of its proper divisors (8611527).

84646393 is a wasteful number, since it uses less digits than its factorization.

84646393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 373248, while the sum is 43.

The square root of 84646393 is about 9200.3474390916. The cubic root of 84646393 is about 439.0724139967.

The spelling of 84646393 in words is "eighty-four million, six hundred forty-six thousand, three hundred ninety-three".