3691828 has 24 divisors (see below), whose sum is σ = 7481600. Its totient is φ = 1561248.

The previous prime is 3691819. The next prime is 3691841. The reversal of 3691828 is 8281963.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378 + ... + 3046.

Almost surely, 2^3691828 is an apocalyptic number.

It is an amenable number.

3691828 is an abundant number, since it is smaller than the sum of its proper divisors (3789772).

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

3691828 is a wasteful number, since it uses less digits than its factorization.

3691828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1757 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3691828 is about 1921.4130217108. The cubic root of 3691828 is about 154.5540843246.

It can be divided in two parts, 369 and 1828, that added together give a cube (2197 = 13³).

The spelling of 3691828 in words is "three million, six hundred ninety-one thousand, eight hundred twenty-eight".