3001945 has 8 divisors (see below), whose sum is σ = 3814344. Its totient is φ = 2260224.

The previous prime is 3001939. The next prime is 3001963. The reversal of 3001945 is 5491003.

It can be written as a sum of positive squares in 4 ways, for example, as 627264 + 2374681 = 792^2 + 1541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3001945 - 2¹¹ = 2999897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17574 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (476793).

Almost surely, 2^3001945 is an apocalyptic number.

It is an amenable number.

3001945 is a deficient number, since it is larger than the sum of its proper divisors (812399).

3001945 is a wasteful number, since it uses less digits than its factorization.

3001945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35339.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3001945 is about 1732.6121897297. The cubic root of 3001945 is about 144.2561189130.

Adding to 3001945 its reverse (5491003), we get a palindrome (8492948).

The spelling of 3001945 in words is "three million, one thousand, nine hundred forty-five".