14640028 has 12 divisors (see below), whose sum is σ = 27590920. Its totient is φ = 6756912.

The previous prime is 14640023. The next prime is 14640037. The reversal of 14640028 is 82004641.

It is a junction number, because it is equal to n+sod(n) for n = 14639984 and 14640011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140718 + ... + 140821.

Almost surely, 2^14640028 is an apocalyptic number.

It is an amenable number.

14640028 is a deficient number, since it is larger than the sum of its proper divisors (12950892).

14640028 is a wasteful number, since it uses less digits than its factorization.

14640028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281556 (or 281554 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 14640028 is about 3826.2289528987. The cubic root of 14640028 is about 244.6323960971.

Adding to 14640028 its reverse (82004641), we get a palindrome (96644669).

The spelling of 14640028 in words is "fourteen million, six hundred forty thousand, twenty-eight".