28432167 has 8 divisors (see below), whose sum is σ = 38058096. Its totient is φ = 18880512.

The previous prime is 28432127. The next prime is 28432171. The reversal of 28432167 is 76123482.

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

It is not a de Polignac number, because 28432167 - 2⁸ = 28431911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28432127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17668 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (4757262).

Almost surely, 2^28432167 is an apocalyptic number.

28432167 is a deficient number, since it is larger than the sum of its proper divisors (9625929).

28432167 is a wasteful number, since it uses less digits than its factorization.

28432167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37137.

The product of its digits is 16128, while the sum is 33.

The square root of 28432167 is about 5332.1821986875. The cubic root of 28432167 is about 305.2132057599.

The spelling of 28432167 in words is "twenty-eight million, four hundred thirty-two thousand, one hundred sixty-seven".