2857460 has 12 divisors (see below), whose sum is σ = 6000708. Its totient is φ = 1142976.

The previous prime is 2857453. The next prime is 2857469. The reversal of 2857460 is 647582.

It can be written as a sum of positive squares in 2 ways, for example, as 1833316 + 1024144 = 1354^2 + 1012^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71417 + ... + 71456.

It is an arithmetic number, because the mean of its divisors is an integer number (500059).

2^2857460 is an apocalyptic number.

2857460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857460 is an abundant number, since it is smaller than the sum of its proper divisors (3143248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2857460 is a wasteful number, since it uses less digits than its factorization.

2857460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142882 (or 142880 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2857460 is about 1690.4023189762. The cubic root of 2857460 is about 141.9035912414.

The spelling of 2857460 in words is "two million, eight hundred fifty-seven thousand, four hundred sixty".