18028496 has 10 divisors (see below), whose sum is σ = 34930242. Its totient is φ = 9014240.

The previous prime is 18028477. The next prime is 18028499. The reversal of 18028496 is 69482081.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 8042896 = 3160^2 + 2836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18028499) 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, 563375 + ... + 563406.

Almost surely, 2^18028496 is an apocalyptic number.

18028496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18028496 is a deficient number, since it is larger than the sum of its proper divisors (16901746).

18028496 is a wasteful number, since it uses less digits than its factorization.

18028496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126789 (or 1126783 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 18028496 is about 4245.9976448416. The cubic root of 18028496 is about 262.2123639989.

The spelling of 18028496 in words is "eighteen million, twenty-eight thousand, four hundred ninety-six".