2865340 has 24 divisors (see below), whose sum is σ = 6279840. Its totient is φ = 1096128.

The previous prime is 2865337. The next prime is 2865383. The reversal of 2865340 is 435682.

It is a junction number, because it is equal to n+sod(n) for n = 2865299 and 2865308.

It is a congruent number.

It is an unprimeable number.

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, 2655 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (261660).

2^2865340 is an apocalyptic number.

2865340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2865340 is an abundant number, since it is smaller than the sum of its proper divisors (3414500).

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

2865340 is a wasteful number, since it uses less digits than its factorization.

2865340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2865340 is about 1692.7315203540. The cubic root of 2865340 is about 142.0339137407.

The spelling of 2865340 in words is "two million, eight hundred sixty-five thousand, three hundred forty".