8542340 has 12 divisors (see below), whose sum is σ = 17938956. Its totient is φ = 3416928.

The previous prime is 8542333. The next prime is 8542351. The reversal of 8542340 is 432458.

It can be written as a sum of positive squares in 2 ways, for example, as 5692996 + 2849344 = 2386^2 + 1688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213539 + ... + 213578.

It is an arithmetic number, because the mean of its divisors is an integer number (1494913).

Almost surely, 2^8542340 is an apocalyptic number.

It is an amenable number.

8542340 is an abundant number, since it is smaller than the sum of its proper divisors (9396616).

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

8542340 is a wasteful number, since it uses less digits than its factorization.

8542340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427126 (or 427124 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8542340 is about 2922.7281775766. The cubic root of 8542340 is about 204.4210514174.

Adding to 8542340 its reverse (432458), we get a palindrome (8974798).

The spelling of 8542340 in words is "eight million, five hundred forty-two thousand, three hundred forty".