18282830 has 8 divisors (see below), whose sum is σ = 32909112. Its totient is φ = 7313128.

The previous prime is 18282791. The next prime is 18282833. The reversal of 18282830 is 3828281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18282830³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914132 + ... + 914151.

It is an arithmetic number, because the mean of its divisors is an integer number (4113639).

Almost surely, 2^18282830 is an apocalyptic number.

18282830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18282830 is a deficient number, since it is larger than the sum of its proper divisors (14626282).

18282830 is a wasteful number, since it uses less digits than its factorization.

18282830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828290.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18282830 is about 4275.8426070191. The cubic root of 18282830 is about 263.4396497838.

The spelling of 18282830 in words is "eighteen million, two hundred eighty-two thousand, eight hundred thirty".