2924921 has 2 divisors, whose sum is σ = 2924922. Its totient is φ = 2924920.

The previous prime is 2924897. The next prime is 2924923. The reversal of 2924921 is 1294292.

2924921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 156025 = 1664^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2924921 - 2¹⁰ = 2923897 is a prime.

Together with 2924923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2924923) 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 as a sum of consecutive naturals, namely, 1462460 + 1462461.

It is an arithmetic number, because the mean of its divisors is an integer number (1462461).

2^2924921 is an apocalyptic number.

It is an amenable number.

2924921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2924921 is an equidigital number, since it uses as much as digits as its factorization.

2924921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 2924921 is about 1710.2400416316. The cubic root of 2924921 is about 143.0116377638.

The spelling of 2924921 in words is "two million, nine hundred twenty-four thousand, nine hundred twenty-one".