2045769 has 16 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 1212560.

The previous prime is 2045761. The next prime is 2045773. The reversal of 2045769 is 9675402.

It is a cyclic number.

It is not a de Polignac number, because 2045769 - 2³ = 2045761 is a prime.

It is a super-2 number, since 2×2045769² = 8370341602722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

2045769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2045761) 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 15 ways as a sum of consecutive naturals, for example, 892 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2^2045769 is an apocalyptic number.

It is an amenable number.

2045769 is a deficient number, since it is larger than the sum of its proper divisors (995511).

2045769 is a wasteful number, since it uses less digits than its factorization.

2045769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2045769 is about 1430.3038138801. The cubic root of 2045769 is about 126.9459542290.

The spelling of 2045769 in words is "two million, forty-five thousand, seven hundred sixty-nine".