28414623 has 8 divisors (see below), whose sum is σ = 38044336. Its totient is φ = 18864000.

The previous prime is 28414609. The next prime is 28414627. The reversal of 28414623 is 32641482.

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

It is not a de Polignac number, because 28414623 - 2⁶ = 28414559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28414627) 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, 18928 + ... + 20373.

It is an arithmetic number, because the mean of its divisors is an integer number (4755542).

Almost surely, 2^28414623 is an apocalyptic number.

28414623 is a deficient number, since it is larger than the sum of its proper divisors (9629713).

28414623 is a wasteful number, since it uses less digits than its factorization.

28414623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39545.

The product of its digits is 9216, while the sum is 30.

The square root of 28414623 is about 5330.5368397564. The cubic root of 28414623 is about 305.1504158194.

The spelling of 28414623 in words is "twenty-eight million, four hundred fourteen thousand, six hundred twenty-three".