2045867 has 6 divisors (see below), whose sum is σ = 2083788. Its totient is φ = 2008344.

The previous prime is 2045851. The next prime is 2045881. The reversal of 2045867 is 7685402.

It is not a de Polignac number, because 2045867 - 2⁴ = 2045851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12953 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (347298).

2^2045867 is an apocalyptic number.

2045867 is a deficient number, since it is larger than the sum of its proper divisors (37921).

2045867 is an frugal number, since it uses more digits than its factorization.

2045867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2045867 is about 1430.3380719257. The cubic root of 2045867 is about 126.9479812589.

The spelling of 2045867 in words is "two million, forty-five thousand, eight hundred sixty-seven".