3857836 has 24 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 1747152.

The previous prime is 3857809. The next prime is 3857839. The reversal of 3857836 is 6387583.

It is a d-powerful number, because it can be written as 3 + 8³ + 5⁷ + 7⁴ + 8⁷ + 3³ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857839) 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, 645 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (309120).

Almost surely, 2^3857836 is an apocalyptic number.

It is an amenable number.

3857836 is a deficient number, since it is larger than the sum of its proper divisors (3561044).

3857836 is a wasteful number, since it uses less digits than its factorization.

3857836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 3857836 is about 1964.1374697307. The cubic root of 3857836 is about 156.8367811639.

The spelling of 3857836 in words is "three million, eight hundred fifty-seven thousand, eight hundred thirty-six".