3857236 has 6 divisors (see below), whose sum is σ = 6750170. Its totient is φ = 1928616.

The previous prime is 3857233. The next prime is 3857263. The reversal of 3857236 is 6327583.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 93636 = 1940^2 + 306^2 .

It is a d-powerful number, because it can be written as 3 + 8⁷ + 5⁷ + 7² + 2¹¹ + 3⁵ + 6⁸ .

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482151 + ... + 482158.

Almost surely, 2^3857236 is an apocalyptic number.

It is an amenable number.

3857236 is a deficient number, since it is larger than the sum of its proper divisors (2892934).

3857236 is a wasteful number, since it uses less digits than its factorization.

3857236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964313 (or 964311 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 3857236 is about 1963.9847249915. The cubic root of 3857236 is about 156.8286499259.

The spelling of 3857236 in words is "three million, eight hundred fifty-seven thousand, two hundred thirty-six".