3701686 has 4 divisors (see below), whose sum is σ = 5552532. Its totient is φ = 1850842.

The previous prime is 3701653. The next prime is 3701701. The reversal of 3701686 is 6861073.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925420 + ... + 925423.

It is an arithmetic number, because the mean of its divisors is an integer number (1388133).

Almost surely, 2^3701686 is an apocalyptic number.

3701686 is a deficient number, since it is larger than the sum of its proper divisors (1850846).

3701686 is a wasteful number, since it uses less digits than its factorization.

3701686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850845.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3701686 is about 1923.9766110844. The cubic root of 3701686 is about 154.6915266306.

The spelling of 3701686 in words is "three million, seven hundred one thousand, six hundred eighty-six".