284952747 has 16 divisors (see below), whose sum is σ = 409691520. Its totient is φ = 175579200.

The previous prime is 284952743. The next prime is 284952761. The reversal of 284952747 is 747259482.

It is not a de Polignac number, because 284952747 - 2² = 284952743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284952696 and 284952705.

It is not an unprimeable number, because it can be changed into a prime (284952743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58629 + ... + 63302.

It is an arithmetic number, because the mean of its divisors is an integer number (25605720).

Almost surely, 2^284952747 is an apocalyptic number.

284952747 is a deficient number, since it is larger than the sum of its proper divisors (124738773).

284952747 is a wasteful number, since it uses less digits than its factorization.

284952747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121994.

The product of its digits is 1128960, while the sum is 48.

The square root of 284952747 is about 16880.5434450435. The cubic root of 284952747 is about 658.0480643807.

The spelling of 284952747 in words is "two hundred eighty-four million, nine hundred fifty-two thousand, seven hundred forty-seven".