3558618 has 48 divisors (see below), whose sum is σ = 8975616. Its totient is φ = 997920.

The previous prime is 3558613. The next prime is 3558649. The reversal of 3558618 is 8168553.

3558618 is a `hidden beast` number, since 35 + 5 + 8 + 618 = 666.

It is not an unprimeable number, because it can be changed into a prime (3558613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7455 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (186992).

Almost surely, 2^3558618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3558618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4487808).

3558618 is an abundant number, since it is smaller than the sum of its proper divisors (5416998).

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

3558618 is a wasteful number, since it uses less digits than its factorization.

3558618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 536 counting only the distinct ones).

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

The square root of 3558618 is about 1886.4299615941. The cubic root of 3558618 is about 152.6723733960.

It can be divided in two parts, 35 and 58618, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 3558618 in words is "three million, five hundred fifty-eight thousand, six hundred eighteen".