2910961 has 4 divisors (see below), whose sum is σ = 3082212. Its totient is φ = 2739712.

The previous prime is 2910917. The next prime is 2910979. The reversal of 2910961 is 1690192.

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 1168561 + 1742400 = 1081^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2910961 - 2⁷ = 2910833 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2910911) 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, 85600 + ... + 85633.

It is an arithmetic number, because the mean of its divisors is an integer number (770553).

2^2910961 is an apocalyptic number.

It is an amenable number.

2910961 is a deficient number, since it is larger than the sum of its proper divisors (171251).

2910961 is a wasteful number, since it uses less digits than its factorization.

2910961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171250.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2910961 is about 1706.1538617604. The cubic root of 2910961 is about 142.7837538763.

The spelling of 2910961 in words is "two million, nine hundred ten thousand, nine hundred sixty-one".