18341000 has 32 divisors (see below), whose sum is σ = 42920280. Its totient is φ = 7336000.

The previous prime is 18340979. The next prime is 18341017. The reversal of 18341000 is 14381.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2067844 + 16273156 = 1438^2 + 4034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18341000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171 + ... + 10170.

Almost surely, 2^18341000 is an apocalyptic number.

18341000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18341000 is an abundant number, since it is smaller than the sum of its proper divisors (24579280).

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

18341000 is a wasteful number, since it uses less digits than its factorization.

18341000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18362 (or 18348 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18341000 is about 4282.6393730969. The cubic root of 18341000 is about 263.7187469987.

Adding to 18341000 its reverse (14381), we get a palindrome (18355381).

The spelling of 18341000 in words is "eighteen million, three hundred forty-one thousand".