3491224 has 32 divisors (see below), whose sum is σ = 7232400. Its totient is φ = 1566720.

The previous prime is 3491197. The next prime is 3491227. The reversal of 3491224 is 4221943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8332 + ... + 8740.

Almost surely, 2^3491224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616200).

3491224 is an abundant number, since it is smaller than the sum of its proper divisors (3741176).

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

3491224 is a wasteful number, since it uses less digits than its factorization.

3491224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 519 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 3491224 is about 1868.4817365979. The cubic root of 3491224 is about 151.7024418820.

The spelling of 3491224 in words is "three million, four hundred ninety-one thousand, two hundred twenty-four".