2865648 has 40 divisors (see below), whose sum is σ = 7463808. Its totient is φ = 947392.

The previous prime is 2865641. The next prime is 2865659. The reversal of 2865648 is 8465682.

It is a super-3 number, since 3×2865648³ = 70597575071240933376, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865641) 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 7 ways as a sum of consecutive naturals, for example, 10765 + ... + 11027.

2^2865648 is an apocalyptic number.

It is an amenable number.

2865648 is an abundant number, since it is smaller than the sum of its proper divisors (4598160).

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

2865648 is a wasteful number, since it uses less digits than its factorization.

2865648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 495 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 2865648 is about 1692.8224951246. The cubic root of 2865648 is about 142.0390027095.

The spelling of 2865648 in words is "two million, eight hundred sixty-five thousand, six hundred forty-eight".