28488423 has 8 divisors (see below), whose sum is σ = 38130048. Its totient is φ = 18919544.

The previous prime is 28488419. The next prime is 28488437. The reversal of 28488423 is 32488482.

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 28488423 - 2² = 28488419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28488023) 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, 17265 + ... + 18842.

It is an arithmetic number, because the mean of its divisors is an integer number (4766256).

Almost surely, 2^28488423 is an apocalyptic number.

28488423 is a deficient number, since it is larger than the sum of its proper divisors (9641625).

28488423 is a wasteful number, since it uses less digits than its factorization.

28488423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36373.

The product of its digits is 98304, while the sum is 39.

The square root of 28488423 is about 5337.4547304872. The cubic root of 28488423 is about 305.4143718344.

The spelling of 28488423 in words is "twenty-eight million, four hundred eighty-eight thousand, four hundred twenty-three".