284473961 has 4 divisors (see below), whose sum is σ = 284541072. Its totient is φ = 284406852.

The previous prime is 284473907. The next prime is 284473991. The reversal of 284473961 is 169374482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169374482 = 2 ⋅84687241.

It is a cyclic number.

It is not a de Polignac number, because 284473961 - 2⁶ = 284473897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (284473991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26735 + ... + 35828.

It is an arithmetic number, because the mean of its divisors is an integer number (71135268).

Almost surely, 2^284473961 is an apocalyptic number.

It is an amenable number.

284473961 is a deficient number, since it is larger than the sum of its proper divisors (67111).

284473961 is an equidigital number, since it uses as much as digits as its factorization.

284473961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67110.

The product of its digits is 290304, while the sum is 44.

The square root of 284473961 is about 16866.3558897588. The cubic root of 284473961 is about 657.6793005198.

The spelling of 284473961 in words is "two hundred eighty-four million, four hundred seventy-three thousand, nine hundred sixty-one".