1996331 has 16 divisors (see below), whose sum is σ = 2237760. Its totient is φ = 1774080.

The previous prime is 1996321. The next prime is 1996333. The reversal of 1996331 is 1336991.

It is a cyclic number.

It is not a de Polignac number, because 1996331 - 2¹⁴ = 1979947 is a prime.

It is a super-2 number, since 2×1996331² = 7970674923122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27311 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^1996331 is an apocalyptic number.

1996331 is a deficient number, since it is larger than the sum of its proper divisors (241429).

1996331 is a wasteful number, since it uses less digits than its factorization.

1996331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its digits is 4374, while the sum is 32.

The square root of 1996331 is about 1412.9157795141. The cubic root of 1996331 is about 125.9150136567.

The spelling of 1996331 in words is "one million, nine hundred ninety-six thousand, three hundred thirty-one".