284528346 has 16 divisors (see below), whose sum is σ = 569363808. Its totient is φ = 94791600.

The previous prime is 284528341. The next prime is 284528353. The reversal of 284528346 is 643825482.

284528346 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a junction number, because it is equal to n+sod(n) for n = 284528298 and 284528307.

It is not an unprimeable number, because it can be changed into a prime (284528341) 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, 276 + ... + 23856.

It is an arithmetic number, because the mean of its divisors is an integer number (35585238).

Almost surely, 2^284528346 is an apocalyptic number.

284528346 is an abundant number, since it is smaller than the sum of its proper divisors (284835462).

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

284528346 is a wasteful number, since it uses less digits than its factorization.

284528346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25597.

The product of its digits is 368640, while the sum is 42.

The square root of 284528346 is about 16867.9680459740. The cubic root of 284528346 is about 657.7212089948.

The spelling of 284528346 in words is "two hundred eighty-four million, five hundred twenty-eight thousand, three hundred forty-six".