4542636 has 48 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 1265280.

The previous prime is 4542631. The next prime is 4542697. The reversal of 4542636 is 6362454.

It is a d-powerful number, because it can be written as 4⁹ + 5⁷ + 4¹¹ + 2³ + 6² + 3⁵ + 6⁵ .

It is not an unprimeable number, because it can be changed into a prime (4542631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

Almost surely, 2^4542636 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 4542636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6209280).

4542636 is an abundant number, since it is smaller than the sum of its proper divisors (7875924).

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

4542636 is a wasteful number, since it uses less digits than its factorization.

4542636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1372 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 4542636 is about 2131.3460535540. The cubic root of 4542636 is about 165.6161353271.

It can be divided in two parts, 45426 and 36, that multiplied together give a triangular number (1635336 = T₁₈₀₈).

The spelling of 4542636 in words is "four million, five hundred forty-two thousand, six hundred thirty-six".