284085994 has 4 divisors (see below), whose sum is σ = 426128994. Its totient is φ = 142042996.

The previous prime is 284085979. The next prime is 284086109. The reversal of 284085994 is 499580482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499580482 = 2 ⋅249790241.

It can be written as a sum of positive squares in only one way, i.e., 196420225 + 87665769 = 14015^2 + 9363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021497 + ... + 71021500.

Almost surely, 2^284085994 is an apocalyptic number.

284085994 is a deficient number, since it is larger than the sum of its proper divisors (142043000).

284085994 is a wasteful number, since it uses less digits than its factorization.

284085994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142042999.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 284085994 is about 16854.8507557913. The cubic root of 284085994 is about 657.3801824008.

The spelling of 284085994 in words is "two hundred eighty-four million, eighty-five thousand, nine hundred ninety-four".