3422921 has 4 divisors (see below), whose sum is σ = 3431700. Its totient is φ = 3414144.

The previous prime is 3422917. The next prime is 3422971. The reversal of 3422921 is 1292243.

3422921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2839225 + 583696 = 1685^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 3422921 - 2² = 3422917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3422971) 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 3 ways as a sum of consecutive naturals, for example, 3776 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (857925).

Almost surely, 2^3422921 is an apocalyptic number.

It is an amenable number.

3422921 is a deficient number, since it is larger than the sum of its proper divisors (8779).

3422921 is an equidigital number, since it uses as much as digits as its factorization.

3422921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778.

The product of its digits is 864, while the sum is 23.

The square root of 3422921 is about 1850.1137802849. The cubic root of 3422921 is about 150.7066068920.

The spelling of 3422921 in words is "three million, four hundred twenty-two thousand, nine hundred twenty-one".