2857448 has 32 divisors (see below), whose sum is σ = 6156000. Its totient is φ = 1229760.

The previous prime is 2857433. The next prime is 2857453. The reversal of 2857448 is 8447582.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (192375).

2^2857448 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 2857448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078000).

2857448 is an abundant number, since it is smaller than the sum of its proper divisors (3298552).

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

2857448 is a wasteful number, since it uses less digits than its factorization.

2857448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1741 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 2857448 is about 1690.3987695216. The cubic root of 2857448 is about 141.9033925982.

The spelling of 2857448 in words is "two million, eight hundred fifty-seven thousand, four hundred forty-eight".