3318408 has 56 divisors (see below), whose sum is σ = 9345150. Its totient is φ = 1104192.

The previous prime is 3318389. The next prime is 3318409. The reversal of 3318408 is 8048133.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 142884 = 1782^2 + 378^2 .

It is a super-2 number, since 2×3318408² = 22023663308928, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3318409) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5548 + ... + 6116.

Almost surely, 2^3318408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3318408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4672575).

3318408 is an abundant number, since it is smaller than the sum of its proper divisors (6026742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3318408 is an equidigital number, since it uses as much as digits as its factorization.

3318408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3318408 is about 1821.6498016908. The cubic root of 3318408 is about 149.1568697553.

The spelling of 3318408 in words is "three million, three hundred eighteen thousand, four hundred eight".