3752218 has 4 divisors (see below), whose sum is σ = 5628330. Its totient is φ = 1876108.

The previous prime is 3752191. The next prime is 3752219. The reversal of 3752218 is 8122573.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8122573 = 37 ⋅219529.

It can be written as a sum of positive squares in only one way, i.e., 3697929 + 54289 = 1923^2 + 233^2 .

It is not an unprimeable number, because it can be changed into a prime (3752219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 938053 + ... + 938056.

Almost surely, 2^3752218 is an apocalyptic number.

3752218 is a deficient number, since it is larger than the sum of its proper divisors (1876112).

3752218 is a wasteful number, since it uses less digits than its factorization.

3752218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876111.

The product of its digits is 3360, while the sum is 28.

The square root of 3752218 is about 1937.0642735852. The cubic root of 3752218 is about 155.3922496683.

The spelling of 3752218 in words is "three million, seven hundred fifty-two thousand, two hundred eighteen".