4399899 has 8 divisors (see below), whose sum is σ = 6704640. Its totient is φ = 2514216.

The previous prime is 4399883. The next prime is 4399903. The reversal of 4399899 is 9989934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4399899 - 2⁴ = 4399883 is a prime.

It is a super-2 number, since 2×4399899² = 38718222420402, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4399819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104739 + ... + 104780.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^4399899 is an apocalyptic number.

4399899 is a deficient number, since it is larger than the sum of its proper divisors (2304741).

4399899 is a wasteful number, since it uses less digits than its factorization.

4399899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209529.

The product of its digits is 629856, while the sum is 51.

The square root of 4399899 is about 2097.5936212718. The cubic root of 4399899 is about 163.8630003007.

The spelling of 4399899 in words is "four million, three hundred ninety-nine thousand, eight hundred ninety-nine".