2396857 has 4 divisors (see below), whose sum is σ = 2400336. Its totient is φ = 2393380.

The previous prime is 2396851. The next prime is 2396861. The reversal of 2396857 is 7586932.

2396857 is nontrivially palindromic in base 6.

2396857 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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 2396857 - 2¹⁹ = 1872569 is a prime.

It is a Duffinian number.

2396857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2396851) 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, 319 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (600084).

2^2396857 is an apocalyptic number.

It is an amenable number.

2396857 is a deficient number, since it is larger than the sum of its proper divisors (3479).

2396857 is an equidigital number, since it uses as much as digits as its factorization.

2396857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its digits is 90720, while the sum is 40.

The square root of 2396857 is about 1548.1786072673. The cubic root of 2396857 is about 133.8281192693.

It can be divided in two parts, 23968 and 57, that added together give a square (24025 = 155²).

The spelling of 2396857 in words is "two million, three hundred ninety-six thousand, eight hundred fifty-seven".