3556542 has 16 divisors (see below), whose sum is σ = 7759872. Its totient is φ = 1077720.

The previous prime is 3556523. The next prime is 3556543. The reversal of 3556542 is 2456553.

It is a d-powerful number, because it can be written as 3¹³ + 5² + 5⁸ + 6⁴ + 5⁸ + 4¹⁰ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556543) 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, 26878 + ... + 27009.

It is an arithmetic number, because the mean of its divisors is an integer number (484992).

Almost surely, 2^3556542 is an apocalyptic number.

3556542 is an abundant number, since it is smaller than the sum of its proper divisors (4203330).

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

3556542 is a wasteful number, since it uses less digits than its factorization.

3556542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53903.

The product of its digits is 18000, while the sum is 30.

The square root of 3556542 is about 1885.8796356077. The cubic root of 3556542 is about 152.6426793312.

The spelling of 3556542 in words is "three million, five hundred fifty-six thousand, five hundred forty-two".