284835146 has 4 divisors (see below), whose sum is σ = 427252722. Its totient is φ = 142417572.

The previous prime is 284835127. The next prime is 284835163. The reversal of 284835146 is 641538482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162843121 + 121992025 = 12761^2 + 11045^2 .

It is a super-2 number, since 2×284835146² = 162262120793682632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71208785 + ... + 71208788.

Almost surely, 2^284835146 is an apocalyptic number.

284835146 is a deficient number, since it is larger than the sum of its proper divisors (142417576).

284835146 is a wasteful number, since it uses less digits than its factorization.

284835146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142417575.

The product of its digits is 184320, while the sum is 41.

The square root of 284835146 is about 16877.0597557750. The cubic root of 284835146 is about 657.9575256748.

The spelling of 284835146 in words is "two hundred eighty-four million, eight hundred thirty-five thousand, one hundred forty-six".