3549218 has 4 divisors (see below), whose sum is σ = 5323830. Its totient is φ = 1774608.

The previous prime is 3549197. The next prime is 3549253. The reversal of 3549218 is 8129453.

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., 2053489 + 1495729 = 1433^2 + 1223^2 .

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 4⁵ + 9³ + 2³ + 1 + 8 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887303 + ... + 887306.

Almost surely, 2^3549218 is an apocalyptic number.

3549218 is a deficient number, since it is larger than the sum of its proper divisors (1774612).

3549218 is a wasteful number, since it uses less digits than its factorization.

3549218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774611.

The product of its digits is 8640, while the sum is 32.

The square root of 3549218 is about 1883.9368354592. The cubic root of 3549218 is about 152.5378281147.

The spelling of 3549218 in words is "three million, five hundred forty-nine thousand, two hundred eighteen".