2045393 has 8 divisors (see below), whose sum is σ = 2387712. Its totient is φ = 1715616.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045393 is 3935402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045393 - 2⁴ = 2045377 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2045333) 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 7 ways as a sum of consecutive naturals, for example, 2780 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (298464).

2^2045393 is an apocalyptic number.

It is an amenable number.

2045393 is a deficient number, since it is larger than the sum of its proper divisors (342319).

2045393 is an equidigital number, since it uses as much as digits as its factorization.

2045393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

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

The square root of 2045393 is about 1430.1723672341. The cubic root of 2045393 is about 126.9381764523.

The spelling of 2045393 in words is "two million, forty-five thousand, three hundred ninety-three".