8400873 has 16 divisors (see below), whose sum is σ = 12773376. Its totient is φ = 4865280.

The previous prime is 8400853. The next prime is 8400883. The reversal of 8400873 is 3780048.

It is not a de Polignac number, because 8400873 - 2⁵ = 8400841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8400873.

It is not an unprimeable number, because it can be changed into a prime (8400823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5673 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^8400873 is an apocalyptic number.

It is an amenable number.

8400873 is a deficient number, since it is larger than the sum of its proper divisors (4372503).

8400873 is a wasteful number, since it uses less digits than its factorization.

8400873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8400873 is about 2898.4259521333. The cubic root of 8400873 is about 203.2863132938.

The spelling of 8400873 in words is "eight million, four hundred thousand, eight hundred seventy-three".