28542467 has 8 divisors (see below), whose sum is σ = 29687040. Its totient is φ = 27408640.

The previous prime is 28542457. The next prime is 28542491. The reversal of 28542467 is 76424582.

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

It is a cyclic number.

It is not a de Polignac number, because 28542467 - 2⁶ = 28542403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28542467.

It is not an unprimeable number, because it can be changed into a prime (28542407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2963 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (3710880).

Almost surely, 2^28542467 is an apocalyptic number.

28542467 is a deficient number, since it is larger than the sum of its proper divisors (1144573).

28542467 is a wasteful number, since it uses less digits than its factorization.

28542467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373.

The product of its digits is 107520, while the sum is 38.

The square root of 28542467 is about 5342.5150444337. The cubic root of 28542467 is about 305.6073787485.

The spelling of 28542467 in words is "twenty-eight million, five hundred forty-two thousand, four hundred sixty-seven".