8540623 has 16 divisors (see below), whose sum is σ = 10608640. Its totient is φ = 6695136.

The previous prime is 8540621. The next prime is 8540629. The reversal of 8540623 is 3260458.

It is not a de Polignac number, because 8540623 - 2¹ = 8540621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8540591 and 8540600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540621) 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, 11188 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (663040).

Almost surely, 2^8540623 is an apocalyptic number.

8540623 is a deficient number, since it is larger than the sum of its proper divisors (2068017).

8540623 is a wasteful number, since it uses less digits than its factorization.

8540623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8540623 is about 2922.4344304022. The cubic root of 8540623 is about 204.4073543717.

The spelling of 8540623 in words is "eight million, five hundred forty thousand, six hundred twenty-three".