1996613279 has 8 divisors (see below), whose sum is σ = 2083940352. Its totient is φ = 1909329400.

The previous prime is 1996613219. The next prime is 1996613287. The reversal of 1996613279 is 9723166991.

It is a happy number.

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 1996613279 - 2²⁴ = 1979836063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1996613279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996613219) 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, 114962 + ... + 131184.

It is an arithmetic number, because the mean of its divisors is an integer number (260492544).

Almost surely, 2^1996613279 is an apocalyptic number.

1996613279 is a deficient number, since it is larger than the sum of its proper divisors (87327073).

1996613279 is a wasteful number, since it uses less digits than its factorization.

1996613279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21597.

The product of its digits is 1102248, while the sum is 53.

The square root of 1996613279 is about 44683.4788148819. The cubic root of 1996613279 is about 1259.2094812499.

The spelling of 1996613279 in words is "one billion, nine hundred ninety-six million, six hundred thirteen thousand, two hundred seventy-nine".