2961923 has 2 divisors, whose sum is σ = 2961924. Its totient is φ = 2961922.

The previous prime is 2961901. The next prime is 2961949. The reversal of 2961923 is 3291692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2961923 - 2⁸ = 2961667 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2961923.

It is not a weakly prime, because it can be changed into another prime (2961953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480961 + 1480962.

It is an arithmetic number, because the mean of its divisors is an integer number (1480962).

2^2961923 is an apocalyptic number.

2961923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961923 is an equidigital number, since it uses as much as digits as its factorization.

2961923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 2961923 is about 1721.0238231936. The cubic root of 2961923 is about 143.6121733770.

The spelling of 2961923 in words is "two million, nine hundred sixty-one thousand, nine hundred twenty-three".