3846729261 has 16 divisors (see below), whose sum is σ = 5171798016. Its totient is φ = 2543162736.

The previous prime is 3846729239. The next prime is 3846729307. The reversal of 3846729261 is 1629276483.

3846729261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3846729261 - 2⁶ = 3846729197 is a prime.

It is a super-2 number, since 2×3846729261² = 29594652014867212242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3846729261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3846729221) 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, 165016 + ... + 186878.

It is an arithmetic number, because the mean of its divisors is an integer number (323237376).

Almost surely, 2^3846729261 is an apocalyptic number.

It is an amenable number.

3846729261 is a deficient number, since it is larger than the sum of its proper divisors (1325068755).

3846729261 is a wasteful number, since it uses less digits than its factorization.

3846729261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22352.

The product of its digits is 870912, while the sum is 48.

The square root of 3846729261 is about 62022.0062639060. The cubic root of 3846729261 is about 1566.8612506514.

The spelling of 3846729261 in words is "three billion, eight hundred forty-six million, seven hundred twenty-nine thousand, two hundred sixty-one".