2859963 has 4 divisors (see below), whose sum is σ = 3813288. Its totient is φ = 1906640.

The previous prime is 2859949. The next prime is 2859971. The reversal of 2859963 is 3699582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2859963 - 2⁸ = 2859707 is a prime.

It is a super-2 number, since 2×2859963² = 16358776722738, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2859943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476658 + ... + 476663.

It is an arithmetic number, because the mean of its divisors is an integer number (953322).

2^2859963 is an apocalyptic number.

2859963 is a deficient number, since it is larger than the sum of its proper divisors (953325).

2859963 is an equidigital number, since it uses as much as digits as its factorization.

2859963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953324.

The product of its digits is 116640, while the sum is 42.

The square root of 2859963 is about 1691.1425132141. The cubic root of 2859963 is about 141.9450127639.

The spelling of 2859963 in words is "two million, eight hundred fifty-nine thousand, nine hundred sixty-three".