1996002 has 42 divisors (see below), whose sum is σ = 4613553. Its totient is φ = 647352.

The previous prime is 1995991. The next prime is 1996013. The reversal of 1996002 is 2006991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1995991) and next prime (1996013).

It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 385641 = 1269^2 + 621^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=999.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 53928 + ... + 53964.

2^1996002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996002

1996002 is an abundant number, since it is smaller than the sum of its proper divisors (2617551).

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

1996002 is an frugal number, since it uses more digits than its factorization.

1996002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1996002 is about 1412.7993488107. The cubic root of 1996002 is about 125.9080962475.

The spelling of 1996002 in words is "one million, nine hundred ninety-six thousand, two".