18234008 has 16 divisors (see below), whose sum is σ = 36818880. Its totient is φ = 8415648.

The previous prime is 18234001. The next prime is 18234017. The reversal of 18234008 is 80043281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234001) 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 3 ways as a sum of consecutive naturals, for example, 87560 + ... + 87767.

It is an arithmetic number, because the mean of its divisors is an integer number (2301180).

Almost surely, 2^18234008 is an apocalyptic number.

It is an amenable number.

18234008 is an abundant number, since it is smaller than the sum of its proper divisors (18584872).

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

18234008 is a wasteful number, since it uses less digits than its factorization.

18234008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175346 (or 175342 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 18234008 is about 4270.1297404177. The cubic root of 18234008 is about 263.2049465847.

Adding to 18234008 its reverse (80043281), we get a palindrome (98277289).

The spelling of 18234008 in words is "eighteen million, two hundred thirty-four thousand, eight".