2857396 has 6 divisors (see below), whose sum is σ = 5000450. Its totient is φ = 1428696.

The previous prime is 2857381. The next prime is 2857397. The reversal of 2857396 is 6937582.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 1296 = 1690^2 + 36^2 .

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 as a sum of consecutive naturals, namely, 357171 + ... + 357178.

2^2857396 is an apocalyptic number.

It is an amenable number.

2857396 is a deficient number, since it is larger than the sum of its proper divisors (2143054).

2857396 is a wasteful number, since it uses less digits than its factorization.

2857396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714353 (or 714351 counting only the distinct ones).

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

The square root of 2857396 is about 1690.3833884655. The cubic root of 2857396 is about 141.9025318043.

The spelling of 2857396 in words is "two million, eight hundred fifty-seven thousand, three hundred ninety-six".