3857797 has 4 divisors (see below), whose sum is σ = 3861760. Its totient is φ = 3853836.

The previous prime is 3857773. The next prime is 3857801. The reversal of 3857797 is 7977583.

It is a happy number.

3857797 is nontrivially palindromic in base 12.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3857797 - 2¹⁹ = 3333509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (965440).

Almost surely, 2^3857797 is an apocalyptic number.

It is an amenable number.

3857797 is a deficient number, since it is larger than the sum of its proper divisors (3963).

3857797 is a wasteful number, since it uses less digits than its factorization.

3857797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962.

The product of its digits is 370440, while the sum is 46.

The square root of 3857797 is about 1964.1275416836. The cubic root of 3857797 is about 156.8362526590.

The spelling of 3857797 in words is "three million, eight hundred fifty-seven thousand, seven hundred ninety-seven".