1979796 has 96 divisors (see below), whose sum is σ = 5958400. Its totient is φ = 508032.

The previous prime is 1979779. The next prime is 1979807. The reversal of 1979796 is 6979791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53490 + ... + 53526.

2^1979796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979200).

1979796 is an abundant number, since it is smaller than the sum of its proper divisors (3978604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979796 is a wasteful number, since it uses less digits than its factorization.

1979796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 62 counting only the distinct ones).

The product of its digits is 214326, while the sum is 48.

The square root of 1979796 is about 1407.0522378363. The cubic root of 1979796 is about 125.5664108864.

It can be divided in two parts, 1979 and 796, that added together give a triangular number (2775 = T₇₄).

The spelling of 1979796 in words is "one million, nine hundred seventy-nine thousand, seven hundred ninety-six".