284356641 has 8 divisors (see below), whose sum is σ = 399097120. Its totient is φ = 179593632.

The previous prime is 284356621. The next prime is 284356649. The reversal of 284356641 is 146653482.

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

It is not a de Polignac number, because 284356641 - 2¹⁴ = 284340257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284356641.

It is not an unprimeable number, because it can be changed into a prime (284356649) 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, 2494300 + ... + 2494413.

It is an arithmetic number, because the mean of its divisors is an integer number (49887140).

Almost surely, 2^284356641 is an apocalyptic number.

It is an amenable number.

284356641 is a deficient number, since it is larger than the sum of its proper divisors (114740479).

284356641 is a wasteful number, since it uses less digits than its factorization.

284356641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988735.

The product of its digits is 138240, while the sum is 39.

The square root of 284356641 is about 16862.8776014060. The cubic root of 284356641 is about 657.5888768424.

The spelling of 284356641 in words is "two hundred eighty-four million, three hundred fifty-six thousand, six hundred forty-one".