2602866 has 32 divisors (see below), whose sum is σ = 6157440. Its totient is φ = 717696.

The previous prime is 2602849. The next prime is 2602877. The reversal of 2602866 is 6682062.

It is a super-2 number, since 2×2602866² = 13549822827912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (192420).

2^2602866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2602866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078720).

2602866 is an abundant number, since it is smaller than the sum of its proper divisors (3554574).

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

2602866 is a wasteful number, since it uses less digits than its factorization.

2602866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2602866 is about 1613.3400137603. The cubic root of 2602866 is about 137.5573931204.

The spelling of 2602866 in words is "two million, six hundred two thousand, eight hundred sixty-six".