2141406 has 12 divisors (see below), whose sum is σ = 4639752. Its totient is φ = 713796.

The previous prime is 2141401. The next prime is 2141407. The reversal of 2141406 is 6041412.

2141406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118967 = 2141406 / (2 + 1 + 4 + 1 + 4 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59466 + ... + 59501.

It is an arithmetic number, because the mean of its divisors is an integer number (386646).

2^2141406 is an apocalyptic number.

2141406 is an abundant number, since it is smaller than the sum of its proper divisors (2498346).

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

2141406 is a wasteful number, since it uses less digits than its factorization.

2141406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118975 (or 118972 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2141406 is about 1463.3543658321. The cubic root of 2141406 is about 128.8940901037.

Adding to 2141406 its reverse (6041412), we get a palindrome (8182818).

The spelling of 2141406 in words is "two million, one hundred forty-one thousand, four hundred six".