3949242727 has 8 divisors (see below), whose sum is σ = 4090079232. Its totient is φ = 3810773400.

The previous prime is 3949242709. The next prime is 3949242779. The reversal of 3949242727 is 7272429493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3949242727 - 2⁷ = 3949242599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949248727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588399 + ... + 595072.

It is an arithmetic number, because the mean of its divisors is an integer number (511259904).

Almost surely, 2^3949242727 is an apocalyptic number.

3949242727 is a deficient number, since it is larger than the sum of its proper divisors (140836505).

3949242727 is a wasteful number, since it uses less digits than its factorization.

3949242727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183589.

The product of its digits is 1524096, while the sum is 49.

The square root of 3949242727 is about 62843.0006205942. Note that the first 3 decimals coincide. The cubic root of 3949242727 is about 1580.6581041788.

The spelling of 3949242727 in words is "three billion, nine hundred forty-nine million, two hundred forty-two thousand, seven hundred twenty-seven".