2863966 has 16 divisors (see below), whose sum is σ = 5068800. Its totient is φ = 1187640.

The previous prime is 2863951. The next prime is 2863967. The reversal of 2863966 is 6693682.

It is a super-3 number, since 3×2863966³ = 70473335698020938088, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863967) 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, 2866 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (316800).

2^2863966 is an apocalyptic number.

2863966 is a deficient number, since it is larger than the sum of its proper divisors (2204834).

2863966 is a wasteful number, since it uses less digits than its factorization.

2863966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639.

The product of its digits is 93312, while the sum is 40.

The square root of 2863966 is about 1692.3256187862. The cubic root of 2863966 is about 142.0112072091.

The spelling of 2863966 in words is "two million, eight hundred sixty-three thousand, nine hundred sixty-six".