8399044 has 6 divisors (see below), whose sum is σ = 14698334. Its totient is φ = 4199520.

The previous prime is 8399021. The next prime is 8399057. The reversal of 8399044 is 4409938.

It can be written as a sum of positive squares in only one way, i.e., 6959044 + 1440000 = 2638^2 + 1200^2 .

It is a super-2 number, since 2×8399044² = 141087880227872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8398994 and 8399012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049877 + ... + 1049884.

Almost surely, 2^8399044 is an apocalyptic number.

It is an amenable number.

8399044 is a deficient number, since it is larger than the sum of its proper divisors (6299290).

8399044 is a wasteful number, since it uses less digits than its factorization.

8399044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099765 (or 2099763 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8399044 is about 2898.1104188764. The cubic root of 8399044 is about 203.2715593647.

The spelling of 8399044 in words is "eight million, three hundred ninety-nine thousand, forty-four".