284494236 has 24 divisors (see below), whose sum is σ = 714883344. Its totient is φ = 87536640.

The previous prime is 284494207. The next prime is 284494237. The reversal of 284494236 is 632494482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284494237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911685 + ... + 911996.

It is an arithmetic number, because the mean of its divisors is an integer number (29786806).

Almost surely, 2^284494236 is an apocalyptic number.

284494236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

284494236 is an abundant number, since it is smaller than the sum of its proper divisors (430389108).

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

284494236 is a wasteful number, since it uses less digits than its factorization.

284494236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823701 (or 1823699 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 284494236 is about 16866.9569276737. The cubic root of 284494236 is about 657.6949248333.

The spelling of 284494236 in words is "two hundred eighty-four million, four hundred ninety-four thousand, two hundred thirty-six".