3318949 has 4 divisors (see below), whose sum is σ = 3373420. Its totient is φ = 3264480.

The previous prime is 3318947. The next prime is 3318983. The reversal of 3318949 is 9498133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280900 + 3038049 = 530^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 3318949 - 2¹ = 3318947 is a prime.

It is a super-2 number, since 2×3318949² = 22030844929202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3318949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27144 + ... + 27265.

It is an arithmetic number, because the mean of its divisors is an integer number (843355).

Almost surely, 2^3318949 is an apocalyptic number.

It is an amenable number.

3318949 is a deficient number, since it is larger than the sum of its proper divisors (54471).

3318949 is an equidigital number, since it uses as much as digits as its factorization.

3318949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54470.

The product of its digits is 23328, while the sum is 37.

The square root of 3318949 is about 1821.7982874073. The cubic root of 3318949 is about 149.1649749955.

It can be divided in two parts, 33189 and 49, that multiplied together give a palindrome (1626261).

The spelling of 3318949 in words is "three million, three hundred eighteen thousand, nine hundred forty-nine".