3856837253 has 4 divisors (see below), whose sum is σ = 3857202528. Its totient is φ = 3856471980.

The previous prime is 3856837247. The next prime is 3856837267. The reversal of 3856837253 is 3527386583.

3856837253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3856837253 - 2¹² = 3856833157 is a prime.

It is a super-2 number, since 2×3856837253² = 29750387192257172018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856834253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166313 + ... + 188078.

It is an arithmetic number, because the mean of its divisors is an integer number (964300632).

Almost surely, 2^3856837253 is an apocalyptic number.

It is an amenable number.

3856837253 is a deficient number, since it is larger than the sum of its proper divisors (365275).

3856837253 is a wasteful number, since it uses less digits than its factorization.

3856837253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365274.

The product of its digits is 3628800, while the sum is 50.

The square root of 3856837253 is about 62103.4399449821. The cubic root of 3856837253 is about 1568.2324561493.

The spelling of 3856837253 in words is "three billion, eight hundred fifty-six million, eight hundred thirty-seven thousand, two hundred fifty-three".