3996389089 has 27 divisors (see below), whose sum is σ = 5116136403. Its totient is φ = 3110276400.

The previous prime is 3996389069. The next prime is 3996389093. The reversal of 3996389089 is 9809836993.

The square root of 3996389089 is 63217.

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

3996389089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1091179089 + 2905210000 = 33033^2 + 53900^2 .

It is not a de Polignac number, because 3996389089 - 2⁵ = 3996389057 is a prime.

It is a super-2 number, since 2×3996389089² = 31942251501356499842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3996389089.

It is not an unprimeable number, because it can be changed into a prime (3996389069) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4867299 + ... + 4868119.

Almost surely, 2^3996389089 is an apocalyptic number.

3996389089 is the 63217-th square number.

3996389089 is the 31609-th centered octagonal number.

It is an amenable number.

3996389089 is a deficient number, since it is larger than the sum of its proper divisors (1119747314).

3996389089 is an frugal number, since it uses more digits than its factorization.

3996389089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 64.

The cubic root of 3996389089 is about 1586.9232445027.

Multiplying 3996389089 by its sum of digits (64), we get a square (255768901696 = 505736²).

The spelling of 3996389089 in words is "three billion, nine hundred ninety-six million, three hundred eighty-nine thousand, eighty-nine".