3493220 has 24 divisors (see below), whose sum is σ = 7371000. Its totient is φ = 1390592.

The previous prime is 3493219. The next prime is 3493223. The reversal of 3493220 is 223943.

3493220 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 4 ways, for example, as 195364 + 3297856 = 442^2 + 1816^2 .

It is not an unprimeable number, because it can be changed into a prime (3493223) 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 7 ways as a sum of consecutive naturals, for example, 7556 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^3493220 is an apocalyptic number.

It is an amenable number.

3493220 is an abundant number, since it is smaller than the sum of its proper divisors (3877780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3493220 is a wasteful number, since it uses less digits than its factorization.

3493220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3493220 is about 1869.0157837750. The cubic root of 3493220 is about 151.7313467768.

The spelling of 3493220 in words is "three million, four hundred ninety-three thousand, two hundred twenty".