18234704 has 10 divisors (see below), whose sum is σ = 35329770. Its totient is φ = 9117344.

The previous prime is 18234691. The next prime is 18234721. The reversal of 18234704 is 40743281.

It can be written as a sum of positive squares in only one way, i.e., 14440000 + 3794704 = 3800^2 + 1948^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 569819 + ... + 569850.

It is an arithmetic number, because the mean of its divisors is an integer number (3532977).

Almost surely, 2^18234704 is an apocalyptic number.

It is an amenable number.

18234704 is a deficient number, since it is larger than the sum of its proper divisors (17095066).

18234704 is a wasteful number, since it uses less digits than its factorization.

18234704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139677 (or 1139671 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 18234704 is about 4270.2112359929. The cubic root of 18234704 is about 263.2082954244.

Adding to 18234704 its reverse (40743281), we get a palindrome (58977985).

The spelling of 18234704 in words is "eighteen million, two hundred thirty-four thousand, seven hundred four".