2662856 has 24 divisors (see below), whose sum is σ = 5808870. Its totient is φ = 1141056.

The previous prime is 2662841. The next prime is 2662883. The reversal of 2662856 is 6582662.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 70756 = 1610^2 + 266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3005 + ... + 3788.

2^2662856 is an apocalyptic number.

It is an amenable number.

2662856 is an abundant number, since it is smaller than the sum of its proper divisors (3146014).

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

2662856 is a wasteful number, since it uses less digits than its factorization.

2662856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6802 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2662856 is about 1631.8259711133. The cubic root of 2662856 is about 138.6061691639.

The spelling of 2662856 in words is "two million, six hundred sixty-two thousand, eight hundred fifty-six".