84864395 has 32 divisors (see below), whose sum is σ = 129392640. Its totient is φ = 51891840.

The previous prime is 84864371. The next prime is 84864397. The reversal of 84864395 is 59346848.

It is not a de Polignac number, because 84864395 - 2²⁴ = 68087179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84864397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18326 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^84864395 is an apocalyptic number.

84864395 is a deficient number, since it is larger than the sum of its proper divisors (44528245).

84864395 is a wasteful number, since it uses less digits than its factorization.

84864395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its digits is 829440, while the sum is 47.

The square root of 84864395 is about 9212.1873081261. The cubic root of 84864395 is about 439.4490262606.

The spelling of 84864395 in words is "eighty-four million, eight hundred sixty-four thousand, three hundred ninety-five".