4399407 has 16 divisors (see below), whose sum is σ = 6574080. Its totient is φ = 2907576.

The previous prime is 4399399. The next prime is 4399457. The reversal of 4399407 is 7049934.

It is not a de Polignac number, because 4399407 - 2³ = 4399399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399457) 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, 2788 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (410880).

Almost surely, 2^4399407 is an apocalyptic number.

4399407 is a deficient number, since it is larger than the sum of its proper divisors (2174673).

4399407 is a wasteful number, since it uses less digits than its factorization.

4399407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4399407 is about 2097.4763407486. The cubic root of 4399407 is about 163.8568923119.

The spelling of 4399407 in words is "four million, three hundred ninety-nine thousand, four hundred seven".