3697828 has 12 divisors (see below), whose sum is σ = 6622000. Its totient is φ = 1805832.

The previous prime is 3697787. The next prime is 3697843. The reversal of 3697828 is 8287963.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10578 + ... + 10921.

Almost surely, 2^3697828 is an apocalyptic number.

It is an amenable number.

3697828 is a deficient number, since it is larger than the sum of its proper divisors (2924172).

3697828 is a wasteful number, since it uses less digits than its factorization.

3697828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546 (or 21544 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 3697828 is about 1922.9737387702. The cubic root of 3697828 is about 154.6377666805.

The spelling of 3697828 in words is "three million, six hundred ninety-seven thousand, eight hundred twenty-eight".