2956161 has 16 divisors (see below), whose sum is σ = 4276160. Its totient is φ = 1805760.

The previous prime is 2956157. The next prime is 2956171. The reversal of 2956161 is 1616592.

It is not a de Polignac number, because 2956161 - 2² = 2956157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2956111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8766 + ... + 9096.

It is an arithmetic number, because the mean of its divisors is an integer number (267260).

2^2956161 is an apocalyptic number.

2956161 is the 993-rd octagonal number.

It is an amenable number.

2956161 is a deficient number, since it is larger than the sum of its proper divisors (1319999).

2956161 is a wasteful number, since it uses less digits than its factorization.

2956161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 3240, while the sum is 30.

The square root of 2956161 is about 1719.3490047108. The cubic root of 2956161 is about 143.5189872370.

The spelling of 2956161 in words is "two million, nine hundred fifty-six thousand, one hundred sixty-one".