3219961 has 4 divisors (see below), whose sum is σ = 3260800. Its totient is φ = 3179124.

The previous prime is 3219959. The next prime is 3219967. The reversal of 3219961 is 1699123.

3219961 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1699123 = 101 ⋅16823.

It is a cyclic number.

It is not a de Polignac number, because 3219961 - 2¹ = 3219959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3219967) 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, 20301 + ... + 20458.

It is an arithmetic number, because the mean of its divisors is an integer number (815200).

Almost surely, 2^3219961 is an apocalyptic number.

It is an amenable number.

3219961 is a deficient number, since it is larger than the sum of its proper divisors (40839).

3219961 is an equidigital number, since it uses as much as digits as its factorization.

3219961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40838.

The product of its digits is 2916, while the sum is 31.

The square root of 3219961 is about 1794.4249775346. The cubic root of 3219961 is about 147.6670290172.

The spelling of 3219961 in words is "three million, two hundred nineteen thousand, nine hundred sixty-one".