3318536 has 32 divisors (see below), whose sum is σ = 7098840. Its totient is φ = 1440768.

The previous prime is 3318533. The next prime is 3318547. The reversal of 3318536 is 6358133.

It can be written as a sum of positive squares in 4 ways, for example, as 2869636 + 448900 = 1694^2 + 670^2 .

It is a super-2 number, since 2×3318536² = 22025362366592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3318499 and 3318508.

It is not an unprimeable number, because it can be changed into a prime (3318533) 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, 830 + ... + 2706.

Almost surely, 2^3318536 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 3318536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3549420).

3318536 is an abundant number, since it is smaller than the sum of its proper divisors (3780304).

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

3318536 is a wasteful number, since it uses less digits than its factorization.

3318536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1909 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 3318536 is about 1821.6849343396. The cubic root of 3318536 is about 149.1587875257.

The spelling of 3318536 in words is "three million, three hundred eighteen thousand, five hundred thirty-six".