18048650 has 12 divisors (see below), whose sum is σ = 33570582. Its totient is φ = 7219440.

The previous prime is 18048649. The next prime is 18048683. The reversal of 18048650 is 5684081.

It can be written as a sum of positive squares in 3 ways, for example, as 8357881 + 9690769 = 2891^2 + 3113^2 .

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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180437 + ... + 180536.

Almost surely, 2^18048650 is an apocalyptic number.

18048650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18048650 is a deficient number, since it is larger than the sum of its proper divisors (15521932).

18048650 is a wasteful number, since it uses less digits than its factorization.

18048650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360985 (or 360980 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 18048650 is about 4248.3702757646. The cubic root of 18048650 is about 262.3100364094.

The spelling of 18048650 in words is "eighteen million, forty-eight thousand, six hundred fifty".