2864986 has 4 divisors (see below), whose sum is σ = 4297482. Its totient is φ = 1432492.

The previous prime is 2864977. The next prime is 2865001. The reversal of 2864986 is 6894682.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 403225 = 1569^2 + 635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716245 + ... + 716248.

2^2864986 is an apocalyptic number.

2864986 is a deficient number, since it is larger than the sum of its proper divisors (1432496).

2864986 is a wasteful number, since it uses less digits than its factorization.

2864986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432495.

The product of its digits is 165888, while the sum is 43.

The square root of 2864986 is about 1692.6269524027. The cubic root of 2864986 is about 142.0280642805.

The spelling of 2864986 in words is "two million, eight hundred sixty-four thousand, nine hundred eighty-six".