1996956 has 72 divisors (see below), whose sum is σ = 5778864. Its totient is φ = 576000.

The previous prime is 1996949. The next prime is 1996979. The reversal of 1996956 is 6596991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7831 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (80262).

2^1996956 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 1996956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889432).

1996956 is an abundant number, since it is smaller than the sum of its proper divisors (3781908).

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

1996956 is a wasteful number, since it uses less digits than its factorization.

1996956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 286 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 1996956 is about 1413.1369360398. The cubic root of 1996956 is about 125.9281525387.

Adding to 1996956 its sum of digits (45), we get a triangular number (1997001 = T₁₉₉₈).

The spelling of 1996956 in words is "one million, nine hundred ninety-six thousand, nine hundred fifty-six".