3453218 has 4 divisors (see below), whose sum is σ = 5179830. Its totient is φ = 1726608.

The previous prime is 3453217. The next prime is 3453251. The reversal of 3453218 is 8123543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 966289 = 1577^2 + 983^2 .

It is not an unprimeable number, because it can be changed into a prime (3453217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863303 + ... + 863306.

Almost surely, 2^3453218 is an apocalyptic number.

3453218 is a deficient number, since it is larger than the sum of its proper divisors (1726612).

3453218 is a wasteful number, since it uses less digits than its factorization.

3453218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726611.

The product of its digits is 2880, while the sum is 26.

The square root of 3453218 is about 1858.2836166743. The cubic root of 3453218 is about 151.1499468058.

The spelling of 3453218 in words is "three million, four hundred fifty-three thousand, two hundred eighteen".