284133930 has 16 divisors (see below), whose sum is σ = 681921504. Its totient is φ = 75769040.

The previous prime is 284133893. The next prime is 284133943. The reversal of 284133930 is 39331482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 284133891 and 284133900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735536 + ... + 4735595.

It is an arithmetic number, because the mean of its divisors is an integer number (42620094).

Almost surely, 2^284133930 is an apocalyptic number.

284133930 is an abundant number, since it is smaller than the sum of its proper divisors (397787574).

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

284133930 is a wasteful number, since it uses less digits than its factorization.

284133930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471141.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 284133930 is about 16856.2727196732. The cubic root of 284133930 is about 657.4171552480.

The spelling of 284133930 in words is "two hundred eighty-four million, one hundred thirty-three thousand, nine hundred thirty".