3221493 has 16 divisors (see below), whose sum is σ = 4802112. Its totient is φ = 1904000.

The previous prime is 3221473. The next prime is 3221497. The reversal of 3221493 is 3941223.

It is a cyclic number.

It is not a de Polignac number, because 3221493 - 2⁶ = 3221429 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (300132).

Almost surely, 2^3221493 is an apocalyptic number.

3221493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3221493 is a deficient number, since it is larger than the sum of its proper divisors (1580619).

3221493 is a wasteful number, since it uses less digits than its factorization.

3221493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 1296, while the sum is 24.

The square root of 3221493 is about 1794.8518044674. The cubic root of 3221493 is about 147.6904444168.

The spelling of 3221493 in words is "three million, two hundred twenty-one thousand, four hundred ninety-three".