3069945 has 24 divisors (see below), whose sum is σ = 5635656. Its totient is φ = 1540608.

The previous prime is 3069931. The next prime is 3069949. The reversal of 3069945 is 5499603.

It can be written as a sum of positive squares in 4 ways, for example, as 1140624 + 1929321 = 1068^2 + 1389^2 .

It is not a de Polignac number, because 3069945 - 2⁴ = 3069929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3069949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1242 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (234819).

Almost surely, 2^3069945 is an apocalyptic number.

It is an amenable number.

3069945 is a deficient number, since it is larger than the sum of its proper divisors (2565711).

3069945 is a wasteful number, since it uses less digits than its factorization.

3069945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4038 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3069945 is about 1752.1258516442. The cubic root of 3069945 is about 145.3372254146.

The spelling of 3069945 in words is "three million, sixty-nine thousand, nine hundred forty-five".