3687761 has 16 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 2809680.

The previous prime is 3687757. The next prime is 3687763. The reversal of 3687761 is 1677863.

3687761 = 574² + 575² + ... + 584².

It is a cyclic number.

It is not a de Polignac number, because 3687761 - 2² = 3687757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3687763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3110 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

Almost surely, 2^3687761 is an apocalyptic number.

It is an amenable number.

3687761 is a deficient number, since it is larger than the sum of its proper divisors (1012399).

3687761 is a wasteful number, since it uses less digits than its factorization.

3687761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 42336, while the sum is 38.

The square root of 3687761 is about 1920.3543943762. The cubic root of 3687761 is about 154.4973100637.

The spelling of 3687761 in words is "three million, six hundred eighty-seven thousand, seven hundred sixty-one".