28960473 has 32 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 17346560.

The previous prime is 28960471. The next prime is 28960483. The reversal of 28960473 is 37406982.

It is a cyclic number.

It is not a de Polignac number, because 28960473 - 2¹ = 28960471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28960471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81865 + ... + 82217.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^28960473 is an apocalyptic number.

28960473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28960473 is a deficient number, since it is larger than the sum of its proper divisors (13859367).

28960473 is a wasteful number, since it uses less digits than its factorization.

28960473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 28960473 is about 5381.4935659164. The cubic root of 28960473 is about 307.0920335077.

The spelling of 28960473 in words is "twenty-eight million, nine hundred sixty thousand, four hundred seventy-three".