3857253 has 8 divisors (see below), whose sum is σ = 5155968. Its totient is φ = 2565024.

The previous prime is 3857233. The next prime is 3857263. The reversal of 3857253 is 3527583.

3857253 is a nontrivial binomial coefficient, being equal to C(2778, 2).

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

It is not a de Polignac number, because 3857253 - 2⁸ = 3856997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857233) 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, 1 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (644496).

Almost surely, 2^3857253 is an apocalyptic number.

3857253 is the 2777-th triangular number and also the 1389-th hexagonal number.

It is an amenable number.

3857253 is a deficient number, since it is larger than the sum of its proper divisors (1298715).

3857253 is a wasteful number, since it uses less digits than its factorization.

3857253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243.

The product of its digits is 25200, while the sum is 33.

The square root of 3857253 is about 1963.9890529226. The cubic root of 3857253 is about 156.8288803226.

It can be divided in two parts, 38 and 57253, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 3857253 in words is "three million, eight hundred fifty-seven thousand, two hundred fifty-three".