8400894 has 16 divisors (see below), whose sum is σ = 17381520. Its totient is φ = 2703680.

The previous prime is 8400883. The next prime is 8400901. The reversal of 8400894 is 4980048.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23967 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (1086345).

Almost surely, 2^8400894 is an apocalyptic number.

8400894 is an abundant number, since it is smaller than the sum of its proper divisors (8980626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8400894 is a wasteful number, since it uses less digits than its factorization.

8400894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48315.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8400894 is about 2898.4295747870. The cubic root of 8400894 is about 203.2864826813.

The spelling of 8400894 in words is "eight million, four hundred thousand, eight hundred ninety-four".