1871342 has 8 divisors (see below), whose sum is σ = 3062232. Its totient is φ = 850600.

The previous prime is 1871339. The next prime is 1871351. The reversal of 1871342 is 2431781.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 42509 + ... + 42552.

It is an arithmetic number, because the mean of its divisors is an integer number (382779).

2^1871342 is an apocalyptic number.

1871342 is a deficient number, since it is larger than the sum of its proper divisors (1190890).

1871342 is a wasteful number, since it uses less digits than its factorization.

1871342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85074.

The product of its digits is 1344, while the sum is 26.

The square root of 1871342 is about 1367.9700289115. The cubic root of 1871342 is about 123.2303612556.

The spelling of 1871342 in words is "one million, eight hundred seventy-one thousand, three hundred forty-two".