3558816 has 60 divisors (see below), whose sum is σ = 10474002. Its totient is φ = 1185408.

The previous prime is 3558811. The next prime is 3558829. The reversal of 3558816 is 6188553.

3558816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 1587600 = 1404^2 + 1260^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3558811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1906 + ... + 3278.

Almost surely, 2^3558816 is an apocalyptic number.

3558816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3558816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5237001).

3558816 is an abundant number, since it is smaller than the sum of its proper divisors (6915186).

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

3558816 is a wasteful number, since it uses less digits than its factorization.

3558816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1378 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 3558816 is about 1886.4824409466. The cubic root of 3558816 is about 152.6752048855.

The spelling of 3558816 in words is "three million, five hundred fifty-eight thousand, eight hundred sixteen".