284469948 has 48 divisors (see below), whose sum is σ = 842876160. Its totient is φ = 81276912.

The previous prime is 284469907. The next prime is 284470051. The reversal of 284469948 is 849964482.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 284469894 and 284469903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187386 + ... + 188897.

It is an arithmetic number, because the mean of its divisors is an integer number (17559920).

Almost surely, 2^284469948 is an apocalyptic number.

284469948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

284469948 is an abundant number, since it is smaller than the sum of its proper divisors (558406212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284469948 is a wasteful number, since it uses less digits than its factorization.

284469948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376303 (or 376295 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 284469948 is about 16866.2369246966. The cubic root of 284469948 is about 657.6762079351.

The spelling of 284469948 in words is "two hundred eighty-four million, four hundred sixty-nine thousand, nine hundred forty-eight".