4069345 has 16 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 2772864.

The previous prime is 4069343. The next prime is 4069349. The reversal of 4069345 is 5439604.

It is a cyclic number.

It is not a de Polignac number, because 4069345 - 2¹ = 4069343 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4069343) 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, 7906 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 2^4069345 is an apocalyptic number.

4069345 is the 1165-th octagonal number.

It is an amenable number.

4069345 is a deficient number, since it is larger than the sum of its proper divisors (1546655).

4069345 is a wasteful number, since it uses less digits than its factorization.

4069345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4069345 is about 2017.2617579283. The cubic root of 4069345 is about 159.6521740925.

The spelling of 4069345 in words is "four million, sixty-nine thousand, three hundred forty-five".