84400814 has 8 divisors (see below), whose sum is σ = 129295008. Its totient is φ = 41302480.

The previous prime is 84400807. The next prime is 84400819. The reversal of 84400814 is 41800448.

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 (84400819) 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, 448847 + ... + 449034.

It is an arithmetic number, because the mean of its divisors is an integer number (16161876).

Almost surely, 2^84400814 is an apocalyptic number.

84400814 is a deficient number, since it is larger than the sum of its proper divisors (44894194).

84400814 is a wasteful number, since it uses less digits than its factorization.

84400814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897930.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 84400814 is about 9186.9915641629. The cubic root of 84400814 is about 438.6473854120.

The spelling of 84400814 in words is "eighty-four million, four hundred thousand, eight hundred fourteen".