18959482 has 4 divisors (see below), whose sum is σ = 28439226. Its totient is φ = 9479740.

The previous prime is 18959419. The next prime is 18959483. The reversal of 18959482 is 28495981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28495981 = 97 ⋅293773.

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 6911641 = 3471^2 + 2629^2 .

It is not an unprimeable number, because it can be changed into a prime (18959483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739869 + ... + 4739872.

Almost surely, 2^18959482 is an apocalyptic number.

18959482 is a deficient number, since it is larger than the sum of its proper divisors (9479744).

18959482 is an equidigital number, since it uses as much as digits as its factorization.

18959482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479743.

The product of its digits is 207360, while the sum is 46.

The square root of 18959482 is about 4354.2487296892. The cubic root of 18959482 is about 266.6503486543.

The spelling of 18959482 in words is "eighteen million, nine hundred fifty-nine thousand, four hundred eighty-two".