2043406 has 8 divisors (see below), whose sum is σ = 3117240. Its totient is φ = 1004328.

The previous prime is 2043401. The next prime is 2043409. The reversal of 2043406 is 6043402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8541 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (389655).

2^2043406 is an apocalyptic number.

2043406 is a deficient number, since it is larger than the sum of its proper divisors (1073834).

2043406 is a wasteful number, since it uses less digits than its factorization.

2043406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17378.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2043406 is about 1429.4775269307. The cubic root of 2043406 is about 126.8970583761.

Adding to 2043406 its reverse (6043402), we get a palindrome (8086808).

The spelling of 2043406 in words is "two million, forty-three thousand, four hundred six".