284356 has 6 divisors (see below), whose sum is σ = 497630. Its totient is φ = 142176.

The previous prime is 284341. The next prime is 284357. The reversal of 284356 is 653482.

It can be written as a sum of positive squares in only one way, i.e., 147456 + 136900 = 384^2 + 370^2 .

It is a d-powerful number, because it can be written as 2⁸ + 8⁴ + 3³ + 4² + 5² + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (284357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35541 + ... + 35548.

2²⁸⁴³⁵⁶ is an apocalyptic number.

It is an amenable number.

284356 is a deficient number, since it is larger than the sum of its proper divisors (213274).

284356 is a wasteful number, since it uses less digits than its factorization.

284356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71093 (or 71091 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 284356 is about 533.2504102202. The cubic root of 284356 is about 65.7588382727.

It can be divided in two parts, 28435 and 6, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 284356 in words is "two hundred eighty-four thousand, three hundred fifty-six".