8542039 has 16 divisors (see below), whose sum is σ = 10241280. Its totient is φ = 7032960.

The previous prime is 8541997. The next prime is 8542043. The reversal of 8542039 is 9302458.

8542039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-8542039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8542039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542069) 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, 3919 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (640080).

Almost surely, 2^8542039 is an apocalyptic number.

8542039 is a deficient number, since it is larger than the sum of its proper divisors (1699241).

8542039 is a wasteful number, since it uses less digits than its factorization.

8542039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8542039 is about 2922.6766841373. The cubic root of 8542039 is about 204.4186503790.

It can be divided in two parts, 85 and 42039, that added together give a palindrome (42124).

The spelling of 8542039 in words is "eight million, five hundred forty-two thousand, thirty-nine".