3718145 has 8 divisors (see below), whose sum is σ = 4486056. Its totient is φ = 2958336.

The previous prime is 3718139. The next prime is 3718147. The reversal of 3718145 is 5418173.

It can be written as a sum of positive squares in 4 ways, for example, as 952576 + 2765569 = 976^2 + 1663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3718145 - 2¹² = 3714049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3718147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (560757).

Almost surely, 2^3718145 is an apocalyptic number.

It is an amenable number.

3718145 is a deficient number, since it is larger than the sum of its proper divisors (767911).

3718145 is a wasteful number, since it uses less digits than its factorization.

3718145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051.

The product of its digits is 3360, while the sum is 29.

The square root of 3718145 is about 1928.2492058860. The cubic root of 3718145 is about 154.9204586685.

The spelling of 3718145 in words is "three million, seven hundred eighteen thousand, one hundred forty-five".