1996633 has 8 divisors (see below), whose sum is σ = 2126952. Its totient is φ = 1867776.

The previous prime is 1996613. The next prime is 1996639. The reversal of 1996633 is 3366991.

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 451584 = 1243^2 + 672^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1996633 - 2¹⁷ = 1865561 is a prime.

It is a Duffinian number.

1996633 is a lucky number.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1996592 and 1996601.

It is not an unprimeable number, because it can be changed into a prime (1996639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4141 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (265869).

2^1996633 is an apocalyptic number.

It is an amenable number.

1996633 is a deficient number, since it is larger than the sum of its proper divisors (130319).

1996633 is a wasteful number, since it uses less digits than its factorization.

1996633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 26244, while the sum is 37.

The square root of 1996633 is about 1413.0226466692. The cubic root of 1996633 is about 125.9213627068.

The spelling of 1996633 in words is "one million, nine hundred ninety-six thousand, six hundred thirty-three".