28358464 has 28 divisors (see below), whose sum is σ = 56554624. Its totient is φ = 14108544.

The previous prime is 28358461. The next prime is 28358479. The reversal of 28358464 is 46485382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13279 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (2019808).

Almost surely, 2^28358464 is an apocalyptic number.

It is an amenable number.

28358464 is a deficient number, since it is larger than the sum of its proper divisors (28196160).

28358464 is a wasteful number, since it uses less digits than its factorization.

28358464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 2212 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 28358464 is about 5325.2665660979. The cubic root of 28358464 is about 304.9492489237.

The spelling of 28358464 in words is "twenty-eight million, three hundred fifty-eight thousand, four hundred sixty-four".