3399239809 has 9 divisors (see below), whose sum is σ = 3954692547. Its totient is φ = 2913284304.

The previous prime is 3399239771. The next prime is 3399239819. The reversal of 3399239809 is 9089329933.

The square root of 3399239809 is 58303.

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., 418079809 + 2981160000 = 20447^2 + 54600^2 .

It is not a de Polignac number, because 3399239809 - 2¹⁹ = 3398715521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3399239809.

It is not an unprimeable number, because it can be changed into a prime (3399239819) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 403957 + ... + 412285.

It is an arithmetic number, because the mean of its divisors is an integer number (439410283).

Almost surely, 2^3399239809 is an apocalyptic number.

3399239809 is the 58303-rd square number.

3399239809 is the 29152-nd centered octagonal number.

It is an amenable number.

3399239809 is a deficient number, since it is larger than the sum of its proper divisors (555452738).

3399239809 is an frugal number, since it uses more digits than its factorization.

3399239809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16672 (or 8336 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 55.

The cubic root of 3399239809 is about 1503.5825197047.

The spelling of 3399239809 in words is "three billion, three hundred ninety-nine million, two hundred thirty-nine thousand, eight hundred nine".