1779996 has 48 divisors (see below), whose sum is σ = 4511360. Its totient is φ = 544320.

The previous prime is 1779983. The next prime is 1780001. The reversal of 1779996 is 6999771.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8331 + ... + 8541.

2^1779996 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 1779996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255680).

1779996 is an abundant number, since it is smaller than the sum of its proper divisors (2731364).

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

1779996 is a wasteful number, since it uses less digits than its factorization.

1779996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

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

The square root of 1779996 is about 1334.1649073484. The cubic root of 1779996 is about 121.1917366301.

It can be divided in two parts, 1779 and 996, that added together give a triangular number (2775 = T₇₄).

The spelling of 1779996 in words is "one million, seven hundred seventy-nine thousand, nine hundred ninety-six".