2662864 has 10 divisors (see below), whose sum is σ = 5159330. Its totient is φ = 1331424.

The previous prime is 2662841. The next prime is 2662883. The reversal of 2662864 is 4682662.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 166464 = 1580^2 + 408^2 .

It is a d-powerful number, because it can be written as 2¹³ + 6⁴ + 6⁵ + 2¹⁹ + 8⁷ + 6⁵ + 4⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83199 + ... + 83230.

It is an arithmetic number, because the mean of its divisors is an integer number (515933).

2^2662864 is an apocalyptic number.

It is an amenable number.

2662864 is a deficient number, since it is larger than the sum of its proper divisors (2496466).

2662864 is a wasteful number, since it uses less digits than its factorization.

2662864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166437 (or 166431 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 2662864 is about 1631.8284223533. The cubic root of 2662864 is about 138.6063079683.

It can be divided in two parts, 2662 and 864, that multiplied together give a cube (2299968 = 132³).

The spelling of 2662864 in words is "two million, six hundred sixty-two thousand, eight hundred sixty-four".