28386465 has 8 divisors (see below), whose sum is σ = 45418368. Its totient is φ = 15139440.

The previous prime is 28386451. The next prime is 28386469. The reversal of 28386465 is 56468382.

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

It is not a de Polignac number, because 28386465 - 2⁶ = 28386401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28386469) 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, 946201 + ... + 946230.

It is an arithmetic number, because the mean of its divisors is an integer number (5677296).

Almost surely, 2^28386465 is an apocalyptic number.

It is an amenable number.

28386465 is a deficient number, since it is larger than the sum of its proper divisors (17031903).

28386465 is a wasteful number, since it uses less digits than its factorization.

28386465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892439.

The product of its digits is 276480, while the sum is 42.

The square root of 28386465 is about 5327.8949877039. The cubic root of 28386465 is about 305.0495843420.

The spelling of 28386465 in words is "twenty-eight million, three hundred eighty-six thousand, four hundred sixty-five".