2974309 has 4 divisors (see below), whose sum is σ = 3203116. Its totient is φ = 2745504.

The previous prime is 2974297. The next prime is 2974351. The reversal of 2974309 is 9034792.

2974309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 2411809 = 750^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2974309 - 2¹⁵ = 2941541 is a prime.

It is a Duffinian number.

2974309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2974369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114384 + ... + 114409.

It is an arithmetic number, because the mean of its divisors is an integer number (800779).

2^2974309 is an apocalyptic number.

It is an amenable number.

2974309 is a deficient number, since it is larger than the sum of its proper divisors (228807).

2974309 is a wasteful number, since it uses less digits than its factorization.

2974309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228806.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2974309 is about 1724.6185085404. The cubic root of 2974309 is about 143.8120780398.

The spelling of 2974309 in words is "two million, nine hundred seventy-four thousand, three hundred nine".