2857426 has 32 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 1175040.

The previous prime is 2857417. The next prime is 2857427. The reversal of 2857426 is 6247582.

It is a d-powerful number, because it can be written as 2¹⁸ + 8⁶ + 5⁹ + 7⁶ + 4 + 2¹⁸ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 2857391 and 2857400.

It is not an unprimeable number, because it can be changed into a prime (2857427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27691 + ... + 27793.

It is an arithmetic number, because the mean of its divisors is an integer number (160524).

2^2857426 is an apocalyptic number.

2857426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2857426 is a deficient number, since it is larger than the sum of its proper divisors (2279342).

2857426 is a wasteful number, since it uses less digits than its factorization.

2857426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its digits is 26880, while the sum is 34.

The square root of 2857426 is about 1690.3922621688. The cubic root of 2857426 is about 141.9030284174.

The spelling of 2857426 in words is "two million, eight hundred fifty-seven thousand, four hundred twenty-six".