28430967 has 16 divisors (see below), whose sum is σ = 39679488. Its totient is φ = 18073440.

The previous prime is 28430959. The next prime is 28430971. The reversal of 28430967 is 76903482.

It is not a de Polignac number, because 28430967 - 2³ = 28430959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28430947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43213 + ... + 43865.

It is an arithmetic number, because the mean of its divisors is an integer number (2479968).

Almost surely, 2^28430967 is an apocalyptic number.

28430967 is a deficient number, since it is larger than the sum of its proper divisors (11248521).

28430967 is a wasteful number, since it uses less digits than its factorization.

28430967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

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

The square root of 28430967 is about 5332.0696732132. The cubic root of 28430967 is about 305.2089117854.

The spelling of 28430967 in words is "twenty-eight million, four hundred thirty thousand, nine hundred sixty-seven".