1996049 has 4 divisors (see below), whose sum is σ = 2177520. Its totient is φ = 1814580.

The previous prime is 1996019. The next prime is 1996061. The reversal of 1996049 is 9406991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996049 is a prime.

It is a super-2 number, since 2×1996049² = 7968423220802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1996019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90719 + ... + 90740.

It is an arithmetic number, because the mean of its divisors is an integer number (544380).

2^1996049 is an apocalyptic number.

It is an amenable number.

1996049 is a deficient number, since it is larger than the sum of its proper divisors (181471).

1996049 is a wasteful number, since it uses less digits than its factorization.

1996049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181470.

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

The square root of 1996049 is about 1412.8159823558. The cubic root of 1996049 is about 125.9090844953.

The spelling of 1996049 in words is "one million, nine hundred ninety-six thousand, forty-nine".