2365640 has 16 divisors (see below), whose sum is σ = 5322780. Its totient is φ = 946240.

The previous prime is 2365639. The next prime is 2365667. The reversal of 2365640 is 465632.

It can be written as a sum of positive squares in 2 ways, for example, as 2365444 + 196 = 1538^2 + 14^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29531 + ... + 29610.

2^2365640 is an apocalyptic number.

2365640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2365640 is an abundant number, since it is smaller than the sum of its proper divisors (2957140).

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

2365640 is a wasteful number, since it uses less digits than its factorization.

2365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59152 (or 59148 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2365640 is about 1538.0637177959. The cubic root of 2365640 is about 133.2445798231.

The spelling of 2365640 in words is "two million, three hundred sixty-five thousand, six hundred forty".