84814864 has 20 divisors (see below), whose sum is σ = 166177980. Its totient is φ = 41930240.

The previous prime is 84814861. The next prime is 84814867. The reversal of 84814864 is 46841848.

It is an interprime number because it is at equal distance from previous prime (84814861) and next prime (84814867).

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 25401600 = 7708^2 + 5040^2 .

It is a super-2 number, since 2×84814864² = 14387122310676992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84814864.

It is not an unprimeable number, because it can be changed into a prime (84814861) 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, 28357 + ... + 31204.

It is an arithmetic number, because the mean of its divisors is an integer number (8308899).

Almost surely, 2^84814864 is an apocalyptic number.

It is an amenable number.

84814864 is a deficient number, since it is larger than the sum of its proper divisors (81363116).

84814864 is a wasteful number, since it uses less digits than its factorization.

84814864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59658 (or 59652 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 84814864 is about 9209.4985748411. The cubic root of 84814864 is about 439.3635149939.

The spelling of 84814864 in words is "eighty-four million, eight hundred fourteen thousand, eight hundred sixty-four".