18269082 has 48 divisors (see below), whose sum is σ = 43105608. Its totient is φ = 5558400.

The previous prime is 18269059. The next prime is 18269093. The reversal of 18269082 is 28096281.

It can be written as a sum of positive squares in 4 ways, for example, as 13111641 + 5157441 = 3621^2 + 2271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23248 + ... + 24020.

Almost surely, 2^18269082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18269082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21552804).

18269082 is an abundant number, since it is smaller than the sum of its proper divisors (24836526).

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

18269082 is a wasteful number, since it uses less digits than its factorization.

18269082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18269082 is about 4274.2346683354. The cubic root of 18269082 is about 263.3736009920.

The spelling of 18269082 in words is "eighteen million, two hundred sixty-nine thousand, eighty-two".