18463948 has 12 divisors (see below), whose sum is σ = 32428872. Its totient is φ = 9198560.

The previous prime is 18463937. The next prime is 18463957. The reversal of 18463948 is 84936481.

It is a plaindrome in base 16.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7090 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (2702406).

Almost surely, 2^18463948 is an apocalyptic number.

It is an amenable number.

18463948 is a deficient number, since it is larger than the sum of its proper divisors (13964924).

18463948 is a wasteful number, since it uses less digits than its factorization.

18463948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712 (or 16710 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 18463948 is about 4296.9696298671. The cubic root of 18463948 is about 264.3067104123.

The spelling of 18463948 in words is "eighteen million, four hundred sixty-three thousand, nine hundred forty-eight".