8394644 has 12 divisors (see below), whose sum is σ = 14713524. Its totient is φ = 4190784.

The previous prime is 8394643. The next prime is 8394667. The reversal of 8394644 is 4464938.

It can be written as a sum of positive squares in 2 ways, for example, as 3104644 + 5290000 = 1762^2 + 2300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8394598 and 8394607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394643) 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, 2312 + ... + 4704.

It is an arithmetic number, because the mean of its divisors is an integer number (1226127).

Almost surely, 2^8394644 is an apocalyptic number.

It is an amenable number.

8394644 is a deficient number, since it is larger than the sum of its proper divisors (6318880).

8394644 is a wasteful number, since it uses less digits than its factorization.

8394644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274 (or 3272 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 8394644 is about 2897.3512041173. The cubic root of 8394644 is about 203.2360572652.

The spelling of 8394644 in words is "eight million, three hundred ninety-four thousand, six hundred forty-four".