2065440 has 96 divisors (see below), whose sum is σ = 7027776. Its totient is φ = 506880.

The previous prime is 2065429. The next prime is 2065489. The reversal of 2065440 is 445602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6075 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (73206).

2^2065440 is an apocalyptic number.

2065440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3513888).

2065440 is an abundant number, since it is smaller than the sum of its proper divisors (4962336).

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

2065440 is a wasteful number, since it uses less digits than its factorization.

2065440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2065440 is about 1437.1638737458. The cubic root of 2065440 is about 127.3515380774.

The spelling of 2065440 in words is "two million, sixty-five thousand, four hundred forty".