3691916 has 12 divisors (see below), whose sum is σ = 6474720. Its totient is φ = 1842000.

The previous prime is 3691913. The next prime is 3691921. The reversal of 3691916 is 6191963.

It is not an unprimeable number, because it can be changed into a prime (3691913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390 + ... + 3618.

It is an arithmetic number, because the mean of its divisors is an integer number (539560).

Almost surely, 2^3691916 is an apocalyptic number.

It is an amenable number.

3691916 is a deficient number, since it is larger than the sum of its proper divisors (2782804).

3691916 is a wasteful number, since it uses less digits than its factorization.

3691916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1982 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 3691916 is about 1921.4359213880. The cubic root of 3691916 is about 154.5553123208. Note that the first 3 decimals are identical.

The spelling of 3691916 in words is "three million, six hundred ninety-one thousand, nine hundred sixteen".