3791897 has 4 divisors (see below), whose sum is σ = 3845376. Its totient is φ = 3738420.

The previous prime is 3791873. The next prime is 3791899. The reversal of 3791897 is 7981973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3791897 - 2¹⁶ = 3726361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3791899) 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, 26633 + ... + 26774.

It is an arithmetic number, because the mean of its divisors is an integer number (961344).

Almost surely, 2^3791897 is an apocalyptic number.

It is an amenable number.

3791897 is a deficient number, since it is larger than the sum of its proper divisors (53479).

3791897 is an equidigital number, since it uses as much as digits as its factorization.

3791897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53478.

The product of its digits is 95256, while the sum is 44.

The square root of 3791897 is about 1947.2793841665. The cubic root of 3791897 is about 155.9380780979.

The spelling of 3791897 in words is "three million, seven hundred ninety-one thousand, eight hundred ninety-seven".