2033649 has 6 divisors (see below), whose sum is σ = 2937506. Its totient is φ = 1355760.

The previous prime is 2033639. The next prime is 2033657. The reversal of 2033649 is 9463302.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 893025 = 1068^2 + 945^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2033649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2033609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112972 + ... + 112989.

2^2033649 is an apocalyptic number.

It is an amenable number.

2033649 is a deficient number, since it is larger than the sum of its proper divisors (903857).

2033649 is a wasteful number, since it uses less digits than its factorization.

2033649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225967 (or 225964 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2033649 is about 1426.0606578964. The cubic root of 2033649 is about 126.6947636963.

The spelling of 2033649 in words is "two million, thirty-three thousand, six hundred forty-nine".