3964339369 has 9 divisors (see below), whose sum is σ = 4020200247. Its totient is φ = 3909246744.

The previous prime is 3964339339. The next prime is 3964339391. The reversal of 3964339369 is 9639334693.

It is a happy number.

The square root of 3964339369 is 62963.

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., 1922384025 + 2041955344 = 43845^2 + 45188^2 .

It is not a de Polignac number, because 3964339369 - 2¹³ = 3964331177 is a prime.

It is a super-2 number, since 2×3964339369² = 31431973265206636322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3964339339) 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, 4973679 + ... + 4974475.

Almost surely, 2^3964339369 is an apocalyptic number.

3964339369 is the 62963-rd square number.

3964339369 is the 31482-nd centered octagonal number.

It is an amenable number.

3964339369 is a deficient number, since it is larger than the sum of its proper divisors (55860878).

3964339369 is an frugal number, since it uses more digits than its factorization.

3964339369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 876 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 55.

The cubic root of 3964339369 is about 1582.6696533356.

The spelling of 3964339369 in words is "three billion, nine hundred sixty-four million, three hundred thirty-nine thousand, three hundred sixty-nine".