1996142 has 4 divisors (see below), whose sum is σ = 2994216. Its totient is φ = 998070.

The previous prime is 1996129. The next prime is 1996171. The reversal of 1996142 is 2416991.

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

It is a junction number, because it is equal to n+sod(n) for n = 1996099 and 1996108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499034 + ... + 499037.

It is an arithmetic number, because the mean of its divisors is an integer number (748554).

2^1996142 is an apocalyptic number.

1996142 is a deficient number, since it is larger than the sum of its proper divisors (998074).

1996142 is an equidigital number, since it uses as much as digits as its factorization.

1996142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998073.

The product of its digits is 3888, while the sum is 32.

The square root of 1996142 is about 1412.8488949636. The cubic root of 1996142 is about 125.9110399188.

The spelling of 1996142 in words is "one million, nine hundred ninety-six thousand, one hundred forty-two".