3989266900 has 18 divisors (see below), whose sum is σ = 8656709390. Its totient is φ = 1595706720.

The previous prime is 3989266873. The next prime is 3989266909. The reversal of 3989266900 is 96629893.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 364504464 + 3624762436 = 19092^2 + 60206^2 .

It is a super-2 number, since 2×3989266900² = 31828500798871220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989266909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19946235 + ... + 19946434.

Almost surely, 2^3989266900 is an apocalyptic number.

It is an amenable number.

3989266900 is an abundant number, since it is smaller than the sum of its proper divisors (4667442490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3989266900 is a wasteful number, since it uses less digits than its factorization.

3989266900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39892683 (or 39892676 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 3989266900 is about 63160.6436002674. The cubic root of 3989266900 is about 1585.9799689712.

The spelling of 3989266900 in words is "three billion, nine hundred eighty-nine million, two hundred sixty-six thousand, nine hundred".