8388542 has 4 divisors (see below), whose sum is σ = 12582816. Its totient is φ = 4194270.

The previous prime is 8388539. The next prime is 8388547. The reversal of 8388542 is 2458838.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8388496 and 8388505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8388547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097134 + ... + 2097137.

It is an arithmetic number, because the mean of its divisors is an integer number (3145704).

Almost surely, 2^8388542 is an apocalyptic number.

8388542 is a deficient number, since it is larger than the sum of its proper divisors (4194274).

8388542 is a wasteful number, since it uses less digits than its factorization.

8388542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194273.

The product of its digits is 61440, while the sum is 38.

The square root of 8388542 is about 2896.2979819072. The cubic root of 8388542 is about 203.1868017705.

The spelling of 8388542 in words is "eight million, three hundred eighty-eight thousand, five hundred forty-two".