1284798 has 8 divisors (see below), whose sum is σ = 2569608. Its totient is φ = 428264.

The previous prime is 1284793. The next prime is 1284823. The reversal of 1284798 is 8974821.

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

1284798 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284791) 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 3 ways as a sum of consecutive naturals, for example, 107061 + ... + 107072.

It is an arithmetic number, because the mean of its divisors is an integer number (321201).

2^1284798 is an apocalyptic number.

1284798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1284798 is a wasteful number, since it uses less digits than its factorization.

1284798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214138.

The product of its digits is 32256, while the sum is 39.

The square root of 1284798 is about 1133.4893029932. The cubic root of 1284798 is about 108.7121998366.

The spelling of 1284798 in words is "one million, two hundred eighty-four thousand, seven hundred ninety-eight".