2081342 has 4 divisors (see below), whose sum is σ = 3122016. Its totient is φ = 1040670.

The previous prime is 2081323. The next prime is 2081351. The reversal of 2081342 is 2431802.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520334 + ... + 520337.

It is an arithmetic number, because the mean of its divisors is an integer number (780504).

2^2081342 is an apocalyptic number.

2081342 is a deficient number, since it is larger than the sum of its proper divisors (1040674).

2081342 is a wasteful number, since it uses less digits than its factorization.

2081342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040673.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2081342 is about 1442.6856899547. The cubic root of 2081342 is about 127.6775330264.

The spelling of 2081342 in words is "two million, eighty-one thousand, three hundred forty-two".