2141842 has 4 divisors (see below), whose sum is σ = 3212766. Its totient is φ = 1070920.

The previous prime is 2141827. The next prime is 2141849. The reversal of 2141842 is 2481412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 212521 = 1389^2 + 461^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2141849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535459 + ... + 535462.

2^2141842 is an apocalyptic number.

2141842 is a deficient number, since it is larger than the sum of its proper divisors (1070924).

2141842 is a wasteful number, since it uses less digits than its factorization.

2141842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070923.

The product of its digits is 512, while the sum is 22.

The square root of 2141842 is about 1463.5033310519. The cubic root of 2141842 is about 128.9028373177.

The spelling of 2141842 in words is "two million, one hundred forty-one thousand, eight hundred forty-two".