3773691 has 12 divisors (see below), whose sum is σ = 5477680. Its totient is φ = 2503440.

The previous prime is 3773657. The next prime is 3773701. The reversal of 3773691 is 1963773.

It is not a de Polignac number, because 3773691 - 2⁷ = 3773563 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3773621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 2976.

Almost surely, 2^3773691 is an apocalyptic number.

3773691 is a deficient number, since it is larger than the sum of its proper divisors (1703989).

3773691 is a wasteful number, since it uses less digits than its factorization.

3773691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2063 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 3773691 is about 1942.5990322246. The cubic root of 3773691 is about 155.6881095955.

The spelling of 3773691 in words is "three million, seven hundred seventy-three thousand, six hundred ninety-one".