1996837479 has 48 divisors (see below), whose sum is σ = 3554783232. Its totient is φ = 1051838784.

The previous prime is 1996837463. The next prime is 1996837517. The reversal of 1996837479 is 9747386991.

1996837479 is a `hidden beast` number, since 199 + 6 + 8 + 374 + 79 = 666.

It is not a de Polignac number, because 1996837479 - 2⁴ = 1996837463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996837979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 889132 + ... + 891374.

It is an arithmetic number, because the mean of its divisors is an integer number (74057984).

Almost surely, 2^1996837479 is an apocalyptic number.

1996837479 is a deficient number, since it is larger than the sum of its proper divisors (1557945753).

1996837479 is a wasteful number, since it uses less digits than its factorization.

1996837479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3353 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 1996837479 is about 44685.9875016766. The cubic root of 1996837479 is about 1259.2566117587.

The spelling of 1996837479 in words is "one billion, nine hundred ninety-six million, eight hundred thirty-seven thousand, four hundred seventy-nine".