2146842 has 24 divisors (see below), whose sum is σ = 4766580. Its totient is φ = 697920.

The previous prime is 2146817. The next prime is 2146847. The reversal of 2146842 is 2486412.

2146842 = 84² + 85² + ... + 191².

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 12321 = 1461^2 + 111^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 2192.

2^2146842 is an apocalyptic number.

2146842 is an abundant number, since it is smaller than the sum of its proper divisors (2619738).

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

2146842 is a wasteful number, since it uses less digits than its factorization.

2146842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2955 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2146842 is about 1465.2105650725. The cubic root of 2146842 is about 129.0030646469.

It can be divided in two parts, 214 and 6842, that added together give a square (7056 = 84²).

The spelling of 2146842 in words is "two million, one hundred forty-six thousand, eight hundred forty-two".