2069445 has 16 divisors (see below), whose sum is σ = 3784320. Its totient is φ = 945984.

The previous prime is 2069443. The next prime is 2069449. The reversal of 2069445 is 5449602.

It is not a de Polignac number, because 2069445 - 2¹ = 2069443 is a prime.

2069445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069443) 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, 9750 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (236520).

2^2069445 is an apocalyptic number.

It is an amenable number.

2069445 is a deficient number, since it is larger than the sum of its proper divisors (1714875).

2069445 is a wasteful number, since it uses less digits than its factorization.

2069445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2069445 is about 1438.5565682308. The cubic root of 2069445 is about 127.4337987737.

The spelling of 2069445 in words is "two million, sixty-nine thousand, four hundred forty-five".