3697812 has 60 divisors (see below), whose sum is σ = 9848916. Its totient is φ = 1209600.

The previous prime is 3697787. The next prime is 3697843. The reversal of 3697812 is 2187963.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 1971216 = 1314^2 + 1404^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32668 + ... + 32780.

Almost surely, 2^3697812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3697812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4924458).

3697812 is an abundant number, since it is smaller than the sum of its proper divisors (6151104).

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

3697812 is a wasteful number, since it uses less digits than its factorization.

3697812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 219 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3697812 is about 1922.9695785425. The cubic root of 3697812 is about 154.6375436479.

The spelling of 3697812 in words is "three million, six hundred ninety-seven thousand, eight hundred twelve".