2857152 has 56 divisors (see below), whose sum is σ = 7900416. Its totient is φ = 909568.

The previous prime is 2857123. The next prime is 2857159. The reversal of 2857152 is 2517582.

It is a super-2 number, since 2×2857152² = 16326635102208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2857159) 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, 4093 + ... + 4739.

2^2857152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2857152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950208).

2857152 is an abundant number, since it is smaller than the sum of its proper divisors (5043264).

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

2857152 is a wasteful number, since it uses less digits than its factorization.

2857152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 675 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2857152 is about 1690.3112139485. The cubic root of 2857152 is about 141.8984925551.

The spelling of 2857152 in words is "two million, eight hundred fifty-seven thousand, one hundred fifty-two".