4399270929 has 9 divisors (see below), whose sum is σ = 6354789883. Its totient is φ = 2932714632.

The previous prime is 4399270891. The next prime is 4399270933. The reversal of 4399270929 is 9290729934.

The square root of 4399270929 is 66327.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 527942529 + 3871328400 = 22977^2 + 62220^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4399270929 - 2¹⁹ = 4398746641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399270949) 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 8 ways as a sum of consecutive naturals, for example, 187927 + ... + 210035.

Almost surely, 2^4399270929 is an apocalyptic number.

4399270929 is the 66327-th square number.

4399270929 is the 33164-th centered octagonal number.

It is an amenable number.

4399270929 is a deficient number, since it is larger than the sum of its proper divisors (1955518954).

4399270929 is an frugal number, since it uses more digits than its factorization.

4399270929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44224 (or 22112 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The cubic root of 4399270929 is about 1638.5520296295.

It can be divided in two parts, 43992 and 70929, that added together give a square (114921 = 339²).

The spelling of 4399270929 in words is "four billion, three hundred ninety-nine million, two hundred seventy thousand, nine hundred twenty-nine".