2897766 has 48 divisors (see below), whose sum is σ = 6817200. Its totient is φ = 886464.

The previous prime is 2897753. The next prime is 2897789. The reversal of 2897766 is 6677982.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12540 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (142025).

2^2897766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408600).

2897766 is an abundant number, since it is smaller than the sum of its proper divisors (3919434).

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

2897766 is a wasteful number, since it uses less digits than its factorization.

2897766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 290 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 2897766 is about 1702.2825852367. The cubic root of 2897766 is about 142.5676871419.

It can be divided in two parts, 2897 and 766, that added together give a palindrome (3663).

The spelling of 2897766 in words is "two million, eight hundred ninety-seven thousand, seven hundred sixty-six".