8400044 has 6 divisors (see below), whose sum is σ = 14700084. Its totient is φ = 4200020.

The previous prime is 8400043. The next prime is 8400047. The reversal of 8400044 is 4400048.

8400044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8399989 and 8400025.

It is not an unprimeable number, because it can be changed into a prime (8400043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050002 + ... + 1050009.

It is an arithmetic number, because the mean of its divisors is an integer number (2450014).

Almost surely, 2^8400044 is an apocalyptic number.

It is an amenable number.

8400044 is a deficient number, since it is larger than the sum of its proper divisors (6300040).

8400044 is a wasteful number, since it uses less digits than its factorization.

8400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100015 (or 2100013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 8400044 is about 2898.2829399491. The cubic root of 8400044 is about 203.2796262944.

The spelling of 8400044 in words is "eight million, four hundred thousand, forty-four".