28617467 has 8 divisors (see below), whose sum is σ = 29387232. Its totient is φ = 27851200.

The previous prime is 28617431. The next prime is 28617481. The reversal of 28617467 is 76471682.

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 28617467 - 2²⁴ = 11840251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28617427) 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, 27242 + ... + 28272.

It is an arithmetic number, because the mean of its divisors is an integer number (3673404).

Almost surely, 2^28617467 is an apocalyptic number.

28617467 is a deficient number, since it is larger than the sum of its proper divisors (769765).

28617467 is a wasteful number, since it uses less digits than its factorization.

28617467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749.

The product of its digits is 112896, while the sum is 41.

The square root of 28617467 is about 5349.5296054887. The cubic root of 28617467 is about 305.8748224238.

The spelling of 28617467 in words is "twenty-eight million, six hundred seventeen thousand, four hundred sixty-seven".