18343048 has 8 divisors (see below), whose sum is σ = 34393230. Its totient is φ = 9171520.

The previous prime is 18343043. The next prime is 18343049. The reversal of 18343048 is 84034381.

It can be written as a sum of positive squares in only one way, i.e., 17455684 + 887364 = 4178^2 + 942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18343043) 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, 1146433 + ... + 1146448.

Almost surely, 2^18343048 is an apocalyptic number.

It is an amenable number.

18343048 is a deficient number, since it is larger than the sum of its proper divisors (16050182).

18343048 is a wasteful number, since it uses less digits than its factorization.

18343048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292887 (or 2292883 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 18343048 is about 4282.8784713088. The cubic root of 18343048 is about 263.7285624558.

The spelling of 18343048 in words is "eighteen million, three hundred forty-three thousand, forty-eight".