3986740269 has 16 divisors (see below), whose sum is σ = 6065912640. Its totient is φ = 2585993040.

The previous prime is 3986740253. The next prime is 3986740273. The reversal of 3986740269 is 9620476893.

It is a happy number.

3986740269 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3986740269 - 2⁴ = 3986740253 is a prime.

It is a super-2 number, since 2×3986740269² = 31788195944932384722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986740279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1994367 + ... + 1996364.

It is an arithmetic number, because the mean of its divisors is an integer number (379119540).

Almost surely, 2^3986740269 is an apocalyptic number.

It is an amenable number.

3986740269 is a deficient number, since it is larger than the sum of its proper divisors (2079172371).

3986740269 is a wasteful number, since it uses less digits than its factorization.

3986740269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990777 (or 3990771 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 3986740269 is about 63140.6388073482. The cubic root of 3986740269 is about 1585.6450676350.

The spelling of 3986740269 in words is "three billion, nine hundred eighty-six million, seven hundred forty thousand, two hundred sixty-nine".