28703043 has 6 divisors (see below), whose sum is σ = 41459964. Its totient is φ = 19135356.

The previous prime is 28703033. The next prime is 28703063. The reversal of 28703043 is 34030782.

It is not a de Polignac number, because 28703043 - 2¹⁴ = 28686659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28702998 and 28703016.

It is not an unprimeable number, because it can be changed into a prime (28703033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1594605 + ... + 1594622.

It is an arithmetic number, because the mean of its divisors is an integer number (6909994).

Almost surely, 2^28703043 is an apocalyptic number.

28703043 is a deficient number, since it is larger than the sum of its proper divisors (12756921).

28703043 is a wasteful number, since it uses less digits than its factorization.

28703043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189233 (or 3189230 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 28703043 is about 5357.5220951481. The cubic root of 28703043 is about 306.1794090805.

The spelling of 28703043 in words is "twenty-eight million, seven hundred three thousand, forty-three".