1996038 has 48 divisors (see below), whose sum is σ = 5003856. Its totient is φ = 568320.

The previous prime is 1996019. The next prime is 1996061. The reversal of 1996038 is 8306991.

It is a junction number, because it is equal to n+sod(n) for n = 1995993 and 1996011.

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 23 ways as a sum of consecutive naturals, for example, 3070 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (104247).

2^1996038 is an apocalyptic number.

1996038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501928).

1996038 is an abundant number, since it is smaller than the sum of its proper divisors (3007818).

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

1996038 is a wasteful number, since it uses less digits than its factorization.

1996038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1996038 is about 1412.8120894160. The cubic root of 1996038 is about 125.9088532047.

The spelling of 1996038 in words is "one million, nine hundred ninety-six thousand, thirty-eight".