18269484 has 12 divisors (see below), whose sum is σ = 42628824. Its totient is φ = 6089824.

The previous prime is 18269473. The next prime is 18269513. The reversal of 18269484 is 48496281.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 761217 + ... + 761240.

It is an arithmetic number, because the mean of its divisors is an integer number (3552402).

Almost surely, 2^18269484 is an apocalyptic number.

It is an amenable number.

18269484 is an abundant number, since it is smaller than the sum of its proper divisors (24359340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18269484 is a wasteful number, since it uses less digits than its factorization.

18269484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522464 (or 1522462 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 18269484 is about 4274.2816940394. The cubic root of 18269484 is about 263.3755327696.

The spelling of 18269484 in words is "eighteen million, two hundred sixty-nine thousand, four hundred eighty-four".