284861047 has 8 divisors (see below), whose sum is σ = 287854560. Its totient is φ = 281882400.

The previous prime is 284861011. The next prime is 284861069. The reversal of 284861047 is 740168482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 284861047 - 2¹¹ = 284858999 is a prime.

It is a super-2 number, since 2×284861047² = 162291632195872418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284861347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37113 + ... + 44125.

It is an arithmetic number, because the mean of its divisors is an integer number (35981820).

Almost surely, 2^284861047 is an apocalyptic number.

284861047 is a deficient number, since it is larger than the sum of its proper divisors (2993513).

284861047 is a wasteful number, since it uses less digits than its factorization.

284861047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 284861047 is about 16877.8270817069. The cubic root of 284861047 is about 657.9774684869.

The spelling of 284861047 in words is "two hundred eighty-four million, eight hundred sixty-one thousand, forty-seven".