8427738 has 32 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 2533760.

The previous prime is 8427721. The next prime is 8427739. The reversal of 8427738 is 8377248.

It is a junction number, because it is equal to n+sod(n) for n = 8427696 and 8427705.

It is not an unprimeable number, because it can be changed into a prime (8427739) 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, 9406 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (579150).

Almost surely, 2^8427738 is an apocalyptic number.

8427738 is an abundant number, since it is smaller than the sum of its proper divisors (10105062).

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

8427738 is a wasteful number, since it uses less digits than its factorization.

8427738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its digits is 75264, while the sum is 39.

The square root of 8427738 is about 2903.0566649654. The cubic root of 8427738 is about 203.5027779243.

It can be divided in two parts, 8427 and 738, that multiplied together give a palindrome (6219126).

The spelling of 8427738 in words is "eight million, four hundred twenty-seven thousand, seven hundred thirty-eight".