285479328 has 48 divisors (see below), whose sum is σ = 756828576. Its totient is φ = 94214400.

The previous prime is 285479323. The next prime is 285479333. The reversal of 285479328 is 823974582.

It is an interprime number because it is at equal distance from previous prime (285479323) and next prime (285479333).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (285479323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5026 + ... + 24417.

It is an arithmetic number, because the mean of its divisors is an integer number (15767262).

Almost surely, 2^285479328 is an apocalyptic number.

It is an amenable number.

285479328 is an abundant number, since it is smaller than the sum of its proper divisors (471349248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285479328 is a wasteful number, since it uses less digits than its factorization.

285479328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29557 (or 29549 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 285479328 is about 16896.1335221997. The cubic root of 285479328 is about 658.4531635669.

The spelling of 285479328 in words is "two hundred eighty-five million, four hundred seventy-nine thousand, three hundred twenty-eight".