3695866 has 4 divisors (see below), whose sum is σ = 5543802. Its totient is φ = 1847932.

The previous prime is 3695833. The next prime is 3695869. The reversal of 3695866 is 6685963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3690241 + 5625 = 1921^2 + 75^2 .

It is not an unprimeable number, because it can be changed into a prime (3695869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923965 + ... + 923968.

Almost surely, 2^3695866 is an apocalyptic number.

3695866 is a deficient number, since it is larger than the sum of its proper divisors (1847936).

3695866 is a wasteful number, since it uses less digits than its factorization.

3695866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847935.

The product of its digits is 233280, while the sum is 43.

The square root of 3695866 is about 1922.4635237112. The cubic root of 3695866 is about 154.6104125171.

The spelling of 3695866 in words is "three million, six hundred ninety-five thousand, eight hundred sixty-six".