4399051 has 4 divisors (see below), whose sum is σ = 4630600. Its totient is φ = 4167504.

The previous prime is 4399007. The next prime is 4399061. The reversal of 4399051 is 1509934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1509934 = 2 ⋅754967.

It is a cyclic number.

It is not a de Polignac number, because 4399051 - 2¹⁵ = 4366283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115746 + ... + 115783.

It is an arithmetic number, because the mean of its divisors is an integer number (1157650).

Almost surely, 2^4399051 is an apocalyptic number.

4399051 is a deficient number, since it is larger than the sum of its proper divisors (231549).

4399051 is a wasteful number, since it uses less digits than its factorization.

4399051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231548.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 4399051 is about 2097.3914751424. The cubic root of 4399051 is about 163.8524724263.

The spelling of 4399051 in words is "four million, three hundred ninety-nine thousand, fifty-one".