4399748 has 24 divisors (see below), whose sum is σ = 7949760. Its totient is φ = 2129760.

The previous prime is 4399729. The next prime is 4399763. The reversal of 4399748 is 8479934.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4399699 and 4399708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24218 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (331240).

Almost surely, 2^4399748 is an apocalyptic number.

It is an amenable number.

4399748 is a deficient number, since it is larger than the sum of its proper divisors (3550012).

4399748 is a wasteful number, since it uses less digits than its factorization.

4399748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 4399748 is about 2097.5576273371. The cubic root of 4399748 is about 163.8611257428.

The spelling of 4399748 in words is "four million, three hundred ninety-nine thousand, seven hundred forty-eight".