10431728 has 20 divisors (see below), whose sum is σ = 20363280. Its totient is φ = 5176704.

The previous prime is 10431721. The next prime is 10431739. The reversal of 10431728 is 82713401.

It is a junction number, because it is equal to n+sod(n) for n = 10431697 and 10431706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431721) 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 in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (1018164).

Almost surely, 2^10431728 is an apocalyptic number.

It is an amenable number.

10431728 is a deficient number, since it is larger than the sum of its proper divisors (9931552).

10431728 is a wasteful number, since it uses less digits than its factorization.

10431728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 10431728 is about 3229.8185707559. The cubic root of 10431728 is about 218.5003237868.

The spelling of 10431728 in words is "ten million, four hundred thirty-one thousand, seven hundred twenty-eight".