4542786 has 48 divisors (see below), whose sum is σ = 10670400. Its totient is φ = 1391904.

The previous prime is 4542781. The next prime is 4542787. The reversal of 4542786 is 6872454.

4542786 = 206² + 207² + ... + 281².

It is a d-powerful number, because it can be written as 4⁹ + 5⁷ + 4¹¹ + 2¹³ + 7 + 8 + 6 .

Its product of digits (53760) is a multiple of the sum of its prime divisors (420).

It is a self number, because there is not a number n which added to its sum of digits gives 4542786.

It is not an unprimeable number, because it can be changed into a prime (4542781) 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, 12475 + ... + 12833.

It is an arithmetic number, because the mean of its divisors is an integer number (222300).

Almost surely, 2^4542786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335200).

4542786 is an abundant number, since it is smaller than the sum of its proper divisors (6127614).

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

4542786 is a wasteful number, since it uses less digits than its factorization.

4542786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 420 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4542786 is about 2131.3812422934. The cubic root of 4542786 is about 165.6179582149.

It can be divided in two parts, 454 and 2786, that added together give a triangular number (3240 = T₈₀).

The spelling of 4542786 in words is "four million, five hundred forty-two thousand, seven hundred eighty-six".