4542006 has 32 divisors (see below), whose sum is σ = 10598400. Its totient is φ = 1297128.

The previous prime is 4542001. The next prime is 4542011. The reversal of 4542006 is 6002454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4542001) and next prime (4542011).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (331200).

Almost surely, 2^4542006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5299200).

4542006 is an abundant number, since it is smaller than the sum of its proper divisors (6056394).

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

4542006 is a wasteful number, since it uses less digits than its factorization.

4542006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4542006 is about 2131.1982545038. The cubic root of 4542006 is about 165.6084787603.

The spelling of 4542006 in words is "four million, five hundred forty-two thousand, six".