3219957 has 36 divisors (see below), whose sum is σ = 5281380. Its totient is φ = 1886976.

The previous prime is 3219947. The next prime is 3219959. The reversal of 3219957 is 7599123.

3219957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 367236 + 2852721 = 606^2 + 1689^2 .

It is not a de Polignac number, because 3219957 - 2⁶ = 3219893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219959) 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 35 ways as a sum of consecutive naturals, for example, 44073 + ... + 44145.

It is an arithmetic number, because the mean of its divisors is an integer number (146705).

Almost surely, 2^3219957 is an apocalyptic number.

It is an amenable number.

3219957 is a deficient number, since it is larger than the sum of its proper divisors (2061423).

3219957 is a wasteful number, since it uses less digits than its factorization.

3219957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 118 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 3219957 is about 1794.4238629711. The cubic root of 3219957 is about 147.6669678707. Note that the first 3 decimals are identical.

The spelling of 3219957 in words is "three million, two hundred nineteen thousand, nine hundred fifty-seven".