2857394 has 16 divisors (see below), whose sum is σ = 4686336. Its totient is φ = 1300800.

The previous prime is 2857381. The next prime is 2857397. The reversal of 2857394 is 4937582.

2857394 is nontrivially palindromic in base 16.

It is a d-powerful number, because it can be written as 2²⁰ + 8² + 5⁸ + 7⁷ + 3¹² + 9⁵ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (292896).

2^2857394 is an apocalyptic number.

2857394 is a deficient number, since it is larger than the sum of its proper divisors (1828942).

2857394 is a wasteful number, since it uses less digits than its factorization.

With its successor (2857395) it forms an eRAP, since the sums of their prime factors are consecutive (2761 and 2762).

2857394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its digits is 60480, while the sum is 38.

The square root of 2857394 is about 1690.3827968836. The cubic root of 2857394 is about 141.9024986966.

It can be divided in two parts, 28573 and 94, that multiplied together give a palindrome (2685862).

The spelling of 2857394 in words is "two million, eight hundred fifty-seven thousand, three hundred ninety-four".