2033945 has 4 divisors (see below), whose sum is σ = 2440740. Its totient is φ = 1627152.

The previous prime is 2033939. The next prime is 2033951. The reversal of 2033945 is 5493302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5493302 = 2 ⋅2746651.

It is an interprime number because it is at equal distance from previous prime (2033939) and next prime (2033951).

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 1628176 = 637^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033945 - 2⁴ = 2033929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203390 + ... + 203399.

It is an arithmetic number, because the mean of its divisors is an integer number (610185).

2^2033945 is an apocalyptic number.

It is an amenable number.

2033945 is a deficient number, since it is larger than the sum of its proper divisors (406795).

2033945 is an equidigital number, since it uses as much as digits as its factorization.

2033945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406794.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2033945 is about 1426.1644365220. The cubic root of 2033945 is about 126.7009102553.

The spelling of 2033945 in words is "two million, thirty-three thousand, nine hundred forty-five".