18234337 has 6 divisors (see below), whose sum is σ = 20042834. Its totient is φ = 16576560.

The previous prime is 18234313. The next prime is 18234341. The reversal of 18234337 is 73343281.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 853776 = 4169^2 + 924^2 .

It is not a de Polignac number, because 18234337 - 2¹¹ = 18232289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18234299 and 18234308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75228 + ... + 75469.

Almost surely, 2^18234337 is an apocalyptic number.

It is an amenable number.

18234337 is a deficient number, since it is larger than the sum of its proper divisors (1808497).

18234337 is a wasteful number, since it uses less digits than its factorization.

18234337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150719 (or 150708 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 18234337 is about 4270.1682636636. The cubic root of 18234337 is about 263.2065295957.

The spelling of 18234337 in words is "eighteen million, two hundred thirty-four thousand, three hundred thirty-seven".