18621482 has 16 divisors (see below), whose sum is σ = 32076000. Its totient is φ = 8018640.

The previous prime is 18621481. The next prime is 18621487. The reversal of 18621482 is 28412681.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18621481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21857 + ... + 22692.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 2^18621482 is an apocalyptic number.

18621482 is a deficient number, since it is larger than the sum of its proper divisors (13454518).

18621482 is a wasteful number, since it uses less digits than its factorization.

18621482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44581.

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

The square root of 18621482 is about 4315.2615216230. The cubic root of 18621482 is about 265.0562690527.

The spelling of 18621482 in words is "eighteen million, six hundred twenty-one thousand, four hundred eighty-two".