2956409 has 4 divisors (see below), whose sum is σ = 2985216. Its totient is φ = 2927604.

The previous prime is 2956403. The next prime is 2956451. The reversal of 2956409 is 9046592.

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 a de Polignac number, because none of the positive numbers 2^k-2956409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2956403) 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, 14249 + ... + 14454.

It is an arithmetic number, because the mean of its divisors is an integer number (746304).

2^2956409 is an apocalyptic number.

It is an amenable number.

2956409 is a deficient number, since it is larger than the sum of its proper divisors (28807).

2956409 is a wasteful number, since it uses less digits than its factorization.

2956409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28806.

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

The square root of 2956409 is about 1719.4211235180. The cubic root of 2956409 is about 143.5230005179.

The spelling of 2956409 in words is "two million, nine hundred fifty-six thousand, four hundred nine".