2949811 has 4 divisors (see below), whose sum is σ = 2968072. Its totient is φ = 2931552.

The previous prime is 2949803. The next prime is 2949839. The reversal of 2949811 is 1189492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2949811 - 2³ = 2949803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2949841) 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, 8886 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (742018).

2^2949811 is an apocalyptic number.

2949811 is a deficient number, since it is larger than the sum of its proper divisors (18261).

2949811 is a wasteful number, since it uses less digits than its factorization.

2949811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260.

The product of its digits is 5184, while the sum is 34.

The square root of 2949811 is about 1717.5013828233. The cubic root of 2949811 is about 143.4161512853.

The spelling of 2949811 in words is "two million, nine hundred forty-nine thousand, eight hundred eleven".