3701218 has 4 divisors (see below), whose sum is σ = 5551830. Its totient is φ = 1850608.

The previous prime is 3701213. The next prime is 3701227. The reversal of 3701218 is 8121073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8121073 = 29 ⋅280037.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 1067089 = 1623^2 + 1033^2 .

It is not an unprimeable number, because it can be changed into a prime (3701213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925303 + ... + 925306.

Almost surely, 2^3701218 is an apocalyptic number.

3701218 is a deficient number, since it is larger than the sum of its proper divisors (1850612).

3701218 is a wasteful number, since it uses less digits than its factorization.

3701218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850611.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 3701218 is about 1923.8549841399. The cubic root of 3701218 is about 154.6850071972.

The spelling of 3701218 in words is "three million, seven hundred one thousand, two hundred eighteen".