2043450 has 72 divisors (see below), whose sum is σ = 5803200. Its totient is φ = 514080.

The previous prime is 2043449. The next prime is 2043467. The reversal of 2043450 is 543402.

2043450 = 125² + 126² + ... + 200².

It is a happy number.

It is a super-3 number, since 3×2043450³ = 25598428333090875000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam 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 35 ways as a sum of consecutive naturals, for example, 8431 + ... + 8669.

It is an arithmetic number, because the mean of its divisors is an integer number (80600).

2^2043450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2901600).

2043450 is an abundant number, since it is smaller than the sum of its proper divisors (3759750).

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

2043450 is a wasteful number, since it uses less digits than its factorization.

2043450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2043450 is about 1429.4929170863. The cubic root of 2043450 is about 126.8979691806.

Adding to 2043450 its reverse (543402), we get a palindrome (2586852).

The spelling of 2043450 in words is "two million, forty-three thousand, four hundred fifty".