284257134 has 128 divisors (see below), whose sum is σ = 748800000. Its totient is φ = 79888032.

The previous prime is 284257121. The next prime is 284257177. The reversal of 284257134 is 431752482.

It is a happy number.

284257134 is a `hidden beast` number, since 2 + 84 + 2 + 571 + 3 + 4 = 666.

284257134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1907692 + ... + 1907840.

It is an arithmetic number, because the mean of its divisors is an integer number (5850000).

Almost surely, 2^284257134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284257134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374400000).

284257134 is an abundant number, since it is smaller than the sum of its proper divisors (464542866).

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

284257134 is a wasteful number, since it uses less digits than its factorization.

284257134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 264 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 284257134 is about 16859.9268681688. The cubic root of 284257134 is about 657.5121629309.

The spelling of 284257134 in words is "two hundred eighty-four million, two hundred fifty-seven thousand, one hundred thirty-four".