2940569 has 4 divisors (see below), whose sum is σ = 2949120. Its totient is φ = 2932020.

The previous prime is 2940559. The next prime is 2940577. The reversal of 2940569 is 9650492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2940569 - 2⁸ = 2940313 is a prime.

It is a super-2 number, since 2×2940569² = 17293892087522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2940559) 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, 3737 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (737280).

2^2940569 is an apocalyptic number.

It is an amenable number.

2940569 is a deficient number, since it is larger than the sum of its proper divisors (8551).

2940569 is an equidigital number, since it uses as much as digits as its factorization.

2940569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2940569 is about 1714.8087356904. The cubic root of 2940569 is about 143.2662163985.

The spelling of 2940569 in words is "two million, nine hundred forty thousand, five hundred sixty-nine".