2940307 has 4 divisors (see below), whose sum is σ = 3095080. Its totient is φ = 2785536.

The previous prime is 2940277. The next prime is 2940313. The reversal of 2940307 is 7030492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2940317) 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 3 ways as a sum of consecutive naturals, for example, 77358 + ... + 77395.

It is an arithmetic number, because the mean of its divisors is an integer number (773770).

2^2940307 is an apocalyptic number.

2940307 is a deficient number, since it is larger than the sum of its proper divisors (154773).

2940307 is a wasteful number, since it uses less digits than its factorization.

2940307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154772.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2940307 is about 1714.7323406293. The cubic root of 2940307 is about 143.2619613418.

Adding to 2940307 its reverse (7030492), we get a palindrome (9970799).

The spelling of 2940307 in words is "two million, nine hundred forty thousand, three hundred seven".