2974945 has 4 divisors (see below), whose sum is σ = 3569940. Its totient is φ = 2379952.

The previous prime is 2974931. The next prime is 2974967. The reversal of 2974945 is 5494792.

2974945 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 1827904 + 1147041 = 1352^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2974945 - 2⁷ = 2974817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2974898 and 2974907.

It is an unprimeable number.

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, 297490 + ... + 297499.

It is an arithmetic number, because the mean of its divisors is an integer number (892485).

2^2974945 is an apocalyptic number.

It is an amenable number.

2974945 is a deficient number, since it is larger than the sum of its proper divisors (594995).

2974945 is an equidigital number, since it uses as much as digits as its factorization.

2974945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594994.

The product of its digits is 90720, while the sum is 40.

The square root of 2974945 is about 1724.8028872889. The cubic root of 2974945 is about 143.8223278114.

The spelling of 2974945 in words is "two million, nine hundred seventy-four thousand, nine hundred forty-five".