1984342 has 8 divisors (see below), whose sum is σ = 3151656. Its totient is φ = 933792.

The previous prime is 1984337. The next prime is 1984343. The reversal of 1984342 is 2434891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1984342² = 7875226345928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29148 + ... + 29215.

It is an arithmetic number, because the mean of its divisors is an integer number (393957).

2^1984342 is an apocalyptic number.

1984342 is a deficient number, since it is larger than the sum of its proper divisors (1167314).

1984342 is a wasteful number, since it uses less digits than its factorization.

1984342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58382.

The product of its digits is 6912, while the sum is 31.

The square root of 1984342 is about 1408.6667455435. Note that the first 3 decimals coincide. The cubic root of 1984342 is about 125.6624457896.

The spelling of 1984342 in words is "one million, nine hundred eighty-four thousand, three hundred forty-two".