2857472 has 20 divisors (see below), whose sum is σ = 5710386. Its totient is φ = 1428480.

The previous prime is 2857471. The next prime is 2857493. The reversal of 2857472 is 2747582.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 246016 = 1616^2 + 496^2 .

It is not an unprimeable number, because it can be changed into a prime (2857471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279 + ... + 3302.

2^2857472 is an apocalyptic number.

It is an amenable number.

2857472 is a deficient number, since it is larger than the sum of its proper divisors (2852914).

2857472 is an frugal number, since it uses more digits than its factorization.

2857472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599 (or 5583 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2857472 is about 1690.4058684233. The cubic root of 2857472 is about 141.9037898841.

The spelling of 2857472 in words is "two million, eight hundred fifty-seven thousand, four hundred seventy-two".