3791997 has 12 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 2298120.

The previous prime is 3791981. The next prime is 3792017. The reversal of 3791997 is 7991973.

It is not a de Polignac number, because 3791997 - 2⁴ = 3791981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3791927) 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, 19053 + ... + 19250.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^3791997 is an apocalyptic number.

It is an amenable number.

3791997 is a deficient number, since it is larger than the sum of its proper divisors (2183427).

3791997 is a wasteful number, since it uses less digits than its factorization.

3791997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320 (or 38317 counting only the distinct ones).

The product of its digits is 107163, while the sum is 45.

The square root of 3791997 is about 1947.3050608469. The cubic root of 3791997 is about 155.9394488868.

The spelling of 3791997 in words is "three million, seven hundred ninety-one thousand, nine hundred ninety-seven".