28544746 has 8 divisors (see below), whose sum is σ = 42890400. Its totient is φ = 14247948.

The previous prime is 28544743. The next prime is 28544749. The reversal of 28544746 is 64744582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28544743) and next prime (28544749).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28544699 and 28544708.

It is not an unprimeable number, because it can be changed into a prime (28544743) 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, 10716 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (5361300).

Almost surely, 2^28544746 is an apocalyptic number.

28544746 is a deficient number, since it is larger than the sum of its proper divisors (14345654).

28544746 is a wasteful number, since it uses less digits than its factorization.

28544746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24428.

The product of its digits is 215040, while the sum is 40.

The square root of 28544746 is about 5342.7283292340. The cubic root of 28544746 is about 305.6155123678.

The spelling of 28544746 in words is "twenty-eight million, five hundred forty-four thousand, seven hundred forty-six".