284640483 has 4 divisors (see below), whose sum is σ = 379520648. Its totient is φ = 189760320.

The previous prime is 284640451. The next prime is 284640487. The reversal of 284640483 is 384046482.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 284640483 - 2⁵ = 284640451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284640487) 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, 47440078 + ... + 47440083.

It is an arithmetic number, because the mean of its divisors is an integer number (94880162).

Almost surely, 2^284640483 is an apocalyptic number.

284640483 is a deficient number, since it is larger than the sum of its proper divisors (94880165).

284640483 is an equidigital number, since it uses as much as digits as its factorization.

284640483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94880164.

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 284640483 is about 16871.2916814333. The cubic root of 284640483 is about 657.8076036628.

The spelling of 284640483 in words is "two hundred eighty-four million, six hundred forty thousand, four hundred eighty-three".