1996031 has 4 divisors (see below), whose sum is σ = 1998864. Its totient is φ = 1993200.

The previous prime is 1996019. The next prime is 1996061. The reversal of 1996031 is 1306991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1996031 - 2⁶ = 1995967 is a prime.

It is a super-2 number, since 2×1996031² = 7968279505922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1995985 and 1996003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996061) 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, 566 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (499716).

2^1996031 is an apocalyptic number.

1996031 is a deficient number, since it is larger than the sum of its proper divisors (2833).

1996031 is a wasteful number, since it uses less digits than its factorization.

1996031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1996031 is about 1412.8096120851. The cubic root of 1996031 is about 125.9087060193.

It can be divided in two parts, 19960 and 31, that added together give a palindrome (19991).

The spelling of 1996031 in words is "one million, nine hundred ninety-six thousand, thirty-one".