1996616 has 32 divisors (see below), whose sum is σ = 4053240. Its totient is φ = 918528.

The previous prime is 1996613. The next prime is 1996639. The reversal of 1996616 is 6166991.

1996616 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1811716 + 184900 = 1346^2 + 430^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1996616.

It is not an unprimeable number, because it can be changed into a prime (1996613) 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, 7070 + ... + 7346.

2^1996616 is an apocalyptic number.

It is an amenable number.

1996616 is an abundant number, since it is smaller than the sum of its proper divisors (2056624).

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

1996616 is a wasteful number, since it uses less digits than its factorization.

1996616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 349 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 1996616 is about 1413.0166311831. The cubic root of 1996616 is about 125.9210053270.

The spelling of 1996616 in words is "one million, nine hundred ninety-six thousand, six hundred sixteen".