3697966 has 4 divisors (see below), whose sum is σ = 5546952. Its totient is φ = 1848982.

The previous prime is 3697949. The next prime is 3697997. The reversal of 3697966 is 6697963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697963 = 1063 ⋅6301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924490 + ... + 924493.

It is an arithmetic number, because the mean of its divisors is an integer number (1386738).

Almost surely, 2^3697966 is an apocalyptic number.

3697966 is a deficient number, since it is larger than the sum of its proper divisors (1848986).

3697966 is a wasteful number, since it uses less digits than its factorization.

3697966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848985.

The product of its digits is 367416, while the sum is 46.

The square root of 3697966 is about 1923.0096203608. The cubic root of 3697966 is about 154.6396903094.

The spelling of 3697966 in words is "three million, six hundred ninety-seven thousand, nine hundred sixty-six".