2956009 has 4 divisors (see below), whose sum is σ = 3378304. Its totient is φ = 2533716.

The previous prime is 2956007. The next prime is 2956013. The reversal of 2956009 is 9006592.

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 2956009 - 2¹ = 2956007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2956003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211137 + ... + 211150.

It is an arithmetic number, because the mean of its divisors is an integer number (844576).

2^2956009 is an apocalyptic number.

It is an amenable number.

2956009 is a deficient number, since it is larger than the sum of its proper divisors (422295).

2956009 is an equidigital number, since it uses as much as digits as its factorization.

2956009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422294.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2956009 is about 1719.3048013659. The cubic root of 2956009 is about 143.5165273732.

It can be divided in two parts, 29 and 56009, that multiplied together give a palindrome (1624261).

The spelling of 2956009 in words is "two million, nine hundred fifty-six thousand, nine".