3861736 has 8 divisors (see below), whose sum is σ = 7240770. Its totient is φ = 1930864.

The previous prime is 3861721. The next prime is 3861743. The reversal of 3861736 is 6371683.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 799236 = 1750^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

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, 241351 + ... + 241366.

Almost surely, 2^3861736 is an apocalyptic number.

It is an amenable number.

3861736 is a deficient number, since it is larger than the sum of its proper divisors (3379034).

3861736 is a wasteful number, since it uses less digits than its factorization.

3861736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482723 (or 482719 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 3861736 is about 1965.1300211436. The cubic root of 3861736 is about 156.8896136712.

The spelling of 3861736 in words is "three million, eight hundred sixty-one thousand, seven hundred thirty-six".