3418281 has 18 divisors (see below), whose sum is σ = 5137002. Its totient is φ = 2274480.

The previous prime is 3418279. The next prime is 3418291. The reversal of 3418281 is 1828143.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 793881 = 1620^2 + 891^2 .

It is not a de Polignac number, because 3418281 - 2¹ = 3418279 is a prime.

It is a super-2 number, since 2×3418281² = 23369289989922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3418231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6301 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (285389).

Almost surely, 2^3418281 is an apocalyptic number.

It is an amenable number.

3418281 is a deficient number, since it is larger than the sum of its proper divisors (1718721).

3418281 is an frugal number, since it uses more digits than its factorization.

3418281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 524 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3418281 is about 1848.8593781032. The cubic root of 3418281 is about 150.6384784458.

The spelling of 3418281 in words is "three million, four hundred eighteen thousand, two hundred eighty-one".