1996479 has 6 divisors (see below), whose sum is σ = 2883816. Its totient is φ = 1330980.

The previous prime is 1996471. The next prime is 1996481. The reversal of 1996479 is 9746991.

It is not a de Polignac number, because 1996479 - 2³ = 1996471 is a prime.

1996479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110907 + ... + 110924.

It is an arithmetic number, because the mean of its divisors is an integer number (480636).

2^1996479 is an apocalyptic number.

1996479 is a deficient number, since it is larger than the sum of its proper divisors (887337).

1996479 is a wasteful number, since it uses less digits than its factorization.

1996479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221837 (or 221834 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 1996479 is about 1412.9681525073. The cubic root of 1996479 is about 125.9181251917.

The spelling of 1996479 in words is "one million, nine hundred ninety-six thousand, four hundred seventy-nine".