28362747 has 8 divisors (see below), whose sum is σ = 43219456. Its totient is φ = 16207272.

The previous prime is 28362721. The next prime is 28362751. The reversal of 28362747 is 74726382.

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

It is not a de Polignac number, because 28362747 - 2⁷ = 28362619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28362707) 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, 675283 + ... + 675324.

It is an arithmetic number, because the mean of its divisors is an integer number (5402432).

Almost surely, 2^28362747 is an apocalyptic number.

28362747 is a deficient number, since it is larger than the sum of its proper divisors (14856709).

28362747 is a wasteful number, since it uses less digits than its factorization.

28362747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350617.

The product of its digits is 112896, while the sum is 39.

The square root of 28362747 is about 5325.6686904087. The cubic root of 28362747 is about 304.9646003885.

Subtracting 28362747 from its reverse (74726382), we obtain a triangular number (46363635 = T₉₆₂₉).

The spelling of 28362747 in words is "twenty-eight million, three hundred sixty-two thousand, seven hundred forty-seven".