2065400 has 48 divisors (see below), whose sum is σ = 5022000. Its totient is φ = 788480.

The previous prime is 2065397. The next prime is 2065411. The reversal of 2065400 is 45602.

It is a zygodrome in base 2.

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 11 ways as a sum of consecutive naturals, for example, 4376 + ... + 4824.

It is an arithmetic number, because the mean of its divisors is an integer number (104625).

2^2065400 is an apocalyptic number.

2065400 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 2065400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511000).

2065400 is an abundant number, since it is smaller than the sum of its proper divisors (2956600).

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

2065400 is a wasteful number, since it uses less digits than its factorization.

2065400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2065400 is about 1437.1499573809. The cubic root of 2065400 is about 127.3507159613.

The spelling of 2065400 in words is "two million, sixty-five thousand, four hundred".