18470 has 8 divisors (see below), whose sum is σ = 33264. Its totient is φ = 7384.

The previous prime is 18461. The next prime is 18481. The reversal of 18470 is 7481.

It is a happy number.

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

It is a super-2 number, since 2×18470² = 682281800, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (4158).

2¹⁸⁴⁷⁰ is an apocalyptic number.

18470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18470 is a deficient number, since it is larger than the sum of its proper divisors (14794).

18470 is a wasteful number, since it uses less digits than its factorization.

18470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 18470 is about 135.9043781488. The cubic root of 18470 is about 26.4335584870.

It can be divided in two parts, 184 and 70, that multiplied together give a triangular number (12880 = T₁₆₀).

The spelling of 18470 in words is "eighteen thousand, four hundred seventy".