3691746 has 12 divisors (see below), whose sum is σ = 7998822. Its totient is φ = 1230576.

The previous prime is 3691717. The next prime is 3691747. The reversal of 3691746 is 6471963.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 505521 = 1785^2 + 711^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3691746.

It is not an unprimeable number, because it can be changed into a prime (3691747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102531 + ... + 102566.

Almost surely, 2^3691746 is an apocalyptic number.

3691746 is an abundant number, since it is smaller than the sum of its proper divisors (4307076).

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

3691746 is a wasteful number, since it uses less digits than its factorization.

3691746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205105 (or 205102 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3691746 is about 1921.3916831297. The cubic root of 3691746 is about 154.5529400380.

It can be divided in two parts, 36917 and 46, that added together give a palindrome (36963).

The spelling of 3691746 in words is "three million, six hundred ninety-one thousand, seven hundred forty-six".