3731318 has 4 divisors (see below), whose sum is σ = 5596980. Its totient is φ = 1865658.

The previous prime is 3731311. The next prime is 3731333. The reversal of 3731318 is 8131373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8131373 = 19 ⋅427967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932828 + ... + 932831.

It is an arithmetic number, because the mean of its divisors is an integer number (1399245).

Almost surely, 2^3731318 is an apocalyptic number.

3731318 is a deficient number, since it is larger than the sum of its proper divisors (1865662).

3731318 is a wasteful number, since it uses less digits than its factorization.

3731318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865661.

The product of its digits is 1512, while the sum is 26.

The square root of 3731318 is about 1931.6619787116. The cubic root of 3731318 is about 155.1031987050.

The spelling of 3731318 in words is "three million, seven hundred thirty-one thousand, three hundred eighteen".