18482890 has 8 divisors (see below), whose sum is σ = 33269220. Its totient is φ = 7393152.

The previous prime is 18482881. The next prime is 18482903. The reversal of 18482890 is 9828481.

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 1615441 = 4107^2 + 1271^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924135 + ... + 924154.

Almost surely, 2^18482890 is an apocalyptic number.

18482890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18482890 is a deficient number, since it is larger than the sum of its proper divisors (14786330).

18482890 is a wasteful number, since it uses less digits than its factorization.

18482890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848296.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 18482890 is about 4299.1731763212. The cubic root of 18482890 is about 264.3970628231.

The spelling of 18482890 in words is "eighteen million, four hundred eighty-two thousand, eight hundred ninety".