3751686 has 24 divisors (see below), whose sum is σ = 8170344. Its totient is φ = 1244160.

The previous prime is 3751673. The next prime is 3751703. The reversal of 3751686 is 6861573.

It is a self number, because there is not a number n which added to its sum of digits gives 3751686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (340431).

Almost surely, 2^3751686 is an apocalyptic number.

3751686 is an abundant number, since it is smaller than the sum of its proper divisors (4418658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3751686 is a wasteful number, since it uses less digits than its factorization.

3751686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3751686 is about 1936.9269475125. The cubic root of 3751686 is about 155.3849053381.

It can be divided in two parts, 375 and 1686, that multiplied together give a triangular number (632250 = T₁₁₂₄).

The spelling of 3751686 in words is "three million, seven hundred fifty-one thousand, six hundred eighty-six".