1983442 has 8 divisors (see below), whose sum is σ = 3071232. Its totient is φ = 959700.

The previous prime is 1983439. The next prime is 1983463. The reversal of 1983442 is 2443891.

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

It is a super-3 number, since 3×1983442³ = 23408833393562360664, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15934 + ... + 16057.

It is an arithmetic number, because the mean of its divisors is an integer number (383904).

2^1983442 is an apocalyptic number.

1983442 is a deficient number, since it is larger than the sum of its proper divisors (1087790).

1983442 is a wasteful number, since it uses less digits than its factorization.

1983442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32024.

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

The square root of 1983442 is about 1408.3472583138. The cubic root of 1983442 is about 125.6434448136.

The spelling of 1983442 in words is "one million, nine hundred eighty-three thousand, four hundred forty-two".