3697965 has 24 divisors (see below), whose sum is σ = 6586008. Its totient is φ = 1918080.

The previous prime is 3697949. The next prime is 3697997. The reversal of 3697965 is 5697963.

It can be written as a sum of positive squares in 4 ways, for example, as 1320201 + 2377764 = 1149^2 + 1542^2 .

It is not a de Polignac number, because 3697965 - 2⁴ = 3697949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3697965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (274417).

Almost surely, 2^3697965 is an apocalyptic number.

It is an amenable number.

3697965 is a deficient number, since it is larger than the sum of its proper divisors (2888043).

3697965 is a wasteful number, since it uses less digits than its factorization.

3697965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2266 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3697965 is about 1923.0093603516. The cubic root of 3697965 is about 154.6396763702.

The spelling of 3697965 in words is "three million, six hundred ninety-seven thousand, nine hundred sixty-five".