18830248 has 8 divisors (see below), whose sum is σ = 35306730. Its totient is φ = 9415120.

The previous prime is 18830243. The next prime is 18830257. The reversal of 18830248 is 84203881.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 9108324 = 3118^2 + 3018^2 .

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 (18830243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176883 + ... + 1176898.

Almost surely, 2^18830248 is an apocalyptic number.

It is an amenable number.

18830248 is a deficient number, since it is larger than the sum of its proper divisors (16476482).

18830248 is a wasteful number, since it uses less digits than its factorization.

18830248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353787 (or 2353783 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 18830248 is about 4339.3833663321. The cubic root of 18830248 is about 266.0431083205.

The spelling of 18830248 in words is "eighteen million, eight hundred thirty thousand, two hundred forty-eight".