2866402 has 24 divisors (see below), whose sum is σ = 5458320. Its totient is φ = 1116360.

The previous prime is 2866363. The next prime is 2866403. The reversal of 2866402 is 2046682.

It is not an unprimeable number, because it can be changed into a prime (2866403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (227430).

2^2866402 is an apocalyptic number.

2866402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2866402 is a deficient number, since it is larger than the sum of its proper divisors (2591918).

2866402 is a wasteful number, since it uses less digits than its factorization.

2866402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2866402 is about 1693.0451854573. The cubic root of 2866402 is about 142.0514592309.

It can be divided in two parts, 28 and 66402, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 2866402 in words is "two million, eight hundred sixty-six thousand, four hundred two".