2133450 has 72 divisors (see below), whose sum is σ = 6267456. Its totient is φ = 516000.

The previous prime is 2133433. The next prime is 2133463. The reversal of 2133450 is 543312.

2133450 is a `hidden beast` number, since 213 + 3 + 450 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4735 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2^2133450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3133728).

2133450 is an abundant number, since it is smaller than the sum of its proper divisors (4134006).

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

2133450 is a wasteful number, since it uses less digits than its factorization.

2133450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2133450 is about 1460.6334242376. The cubic root of 2133450 is about 128.7342645802.

Adding to 2133450 its reverse (543312), we get a palindrome (2676762).

It can be divided in two parts, 213 and 3450, that added together give a palindrome (3663).

The spelling of 2133450 in words is "two million, one hundred thirty-three thousand, four hundred fifty".