4399747 has 16 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 3837600.

The previous prime is 4399729. The next prime is 4399763. The reversal of 4399747 is 7479934.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4399747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52968 + ... + 53050.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^4399747 is an apocalyptic number.

4399747 is a deficient number, since it is larger than the sum of its proper divisors (599933).

4399747 is a wasteful number, since it uses less digits than its factorization.

4399747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its digits is 190512, while the sum is 43.

The square root of 4399747 is about 2097.5573889646. The cubic root of 4399747 is about 163.8611133284.

It can be divided in two parts, 43997 and 47, that added together give a palindrome (44044).

The spelling of 4399747 in words is "four million, three hundred ninety-nine thousand, seven hundred forty-seven".