284485475 has 6 divisors (see below), whose sum is σ = 352762020. Its totient is φ = 227588360.

The previous prime is 284485469. The next prime is 284485477. The reversal of 284485475 is 574584482.

It is not a de Polignac number, because 284485475 - 2²⁸ = 16050019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284485477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5689685 + ... + 5689734.

It is an arithmetic number, because the mean of its divisors is an integer number (58793670).

Almost surely, 2^284485475 is an apocalyptic number.

284485475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

284485475 is a deficient number, since it is larger than the sum of its proper divisors (68276545).

284485475 is a wasteful number, since it uses less digits than its factorization.

284485475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379429 (or 11379424 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 47.

The square root of 284485475 is about 16866.6972167049. The cubic root of 284485475 is about 657.6881735256.

The spelling of 284485475 in words is "two hundred eighty-four million, four hundred eighty-five thousand, four hundred seventy-five".