2961813 has 8 divisors (see below), whose sum is σ = 4055968. Its totient is φ = 1921104.

The previous prime is 2961809. The next prime is 2961821. The reversal of 2961813 is 3181692.

2961813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2961813 - 2² = 2961809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13231 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (506996).

2^2961813 is an apocalyptic number.

It is an amenable number.

2961813 is a deficient number, since it is larger than the sum of its proper divisors (1094155).

2961813 is a wasteful number, since it uses less digits than its factorization.

2961813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26723.

The product of its digits is 2592, while the sum is 30.

The square root of 2961813 is about 1720.9918651754. The cubic root of 2961813 is about 143.6103955303.

The spelling of 2961813 in words is "two million, nine hundred sixty-one thousand, eight hundred thirteen".