3537218 has 4 divisors (see below), whose sum is σ = 5305830. Its totient is φ = 1768608.

The previous prime is 3537199. The next prime is 3537269. The reversal of 3537218 is 8127353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8127353 = 13 ⋅625181.

It can be written as a sum of positive squares in only one way, i.e., 3485689 + 51529 = 1867^2 + 227^2 .

It is a super-2 number, since 2×3537218² = 25023822359048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 884303 + ... + 884306.

Almost surely, 2^3537218 is an apocalyptic number.

3537218 is a deficient number, since it is larger than the sum of its proper divisors (1768612).

3537218 is a wasteful number, since it uses less digits than its factorization.

3537218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768611.

The product of its digits is 5040, while the sum is 29.

The square root of 3537218 is about 1880.7493187557. The cubic root of 3537218 is about 152.3657225261.

The spelling of 3537218 in words is "three million, five hundred thirty-seven thousand, two hundred eighteen".