2857379 has 4 divisors (see below), whose sum is σ = 3265584. Its totient is φ = 2449176.

The previous prime is 2857369. The next prime is 2857381. The reversal of 2857379 is 9737582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2857379 - 2⁸ = 2857123 is a prime.

It is a super-2 number, since 2×2857379² = 16329229499282, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²⁰ + 8⁴ + 5⁸ + 7² + 3¹² + 7⁷ + 9⁵ .

It is not an unprimeable number, because it can be changed into a prime (2857319) 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, 204092 + ... + 204105.

It is an arithmetic number, because the mean of its divisors is an integer number (816396).

2^2857379 is an apocalyptic number.

2857379 is a deficient number, since it is larger than the sum of its proper divisors (408205).

2857379 is an equidigital number, since it uses as much as digits as its factorization.

2857379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408204.

The product of its digits is 105840, while the sum is 41.

The square root of 2857379 is about 1690.3783600129. The cubic root of 2857379 is about 141.9022503886.

The spelling of 2857379 in words is "two million, eight hundred fifty-seven thousand, three hundred seventy-nine".