8140418 has 16 divisors (see below), whose sum is σ = 14345856. Its totient is φ = 3415440.

The previous prime is 8140411. The next prime is 8140421.

8140418 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (8140411) 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 7 ways as a sum of consecutive naturals, for example, 13946 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (896616).

Almost surely, 2^8140418 is an apocalyptic number.

8140418 is a deficient number, since it is larger than the sum of its proper divisors (6205438).

8140418 is a wasteful number, since it uses less digits than its factorization.

8140418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28489.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 8140418 is about 2853.1417770591. The cubic root of 8140418 is about 201.1633697332.

It can be divided in two parts, 8140 and 418, that added together give a palindrome (8558).

The spelling of 8140418 in words is "eight million, one hundred forty thousand, four hundred eighteen".