2857976 has 32 divisors (see below), whose sum is σ = 5978880. Its totient is φ = 1269600.

The previous prime is 2857973. The next prime is 2857993. The reversal of 2857976 is 6797582.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857973) 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, 3791 + ... + 4481.

It is an arithmetic number, because the mean of its divisors is an integer number (186840).

2^2857976 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 2857976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989440).

2857976 is an abundant number, since it is smaller than the sum of its proper divisors (3120904).

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

2857976 is a wasteful number, since it uses less digits than its factorization.

2857976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 751 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 2857976 is about 1690.5549384743. The cubic root of 2857976 is about 141.9121323754.

The spelling of 2857976 in words is "two million, eight hundred fifty-seven thousand, nine hundred seventy-six".