3455218 has 8 divisors (see below), whose sum is σ = 5581548. Its totient is φ = 1594704.

The previous prime is 3455213. The next prime is 3455219. The reversal of 3455218 is 8125543.

It can be written as a sum of positive squares in 2 ways, for example, as 3433609 + 21609 = 1853^2 + 147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3455213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66421 + ... + 66472.

Almost surely, 2^3455218 is an apocalyptic number.

3455218 is a deficient number, since it is larger than the sum of its proper divisors (2126330).

3455218 is a wasteful number, since it uses less digits than its factorization.

3455218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132908.

The product of its digits is 4800, while the sum is 28.

The square root of 3455218 is about 1858.8216697682. The cubic root of 3455218 is about 151.1791216751.

The spelling of 3455218 in words is "three million, four hundred fifty-five thousand, two hundred eighteen".