1284446 has 4 divisors (see below), whose sum is σ = 1926672. Its totient is φ = 642222.

The previous prime is 1284443. The next prime is 1284467. The reversal of 1284446 is 6444821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6444821 = 1259 ⋅5119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321110 + ... + 321113.

It is an arithmetic number, because the mean of its divisors is an integer number (481668).

2^1284446 is an apocalyptic number.

1284446 is a deficient number, since it is larger than the sum of its proper divisors (642226).

1284446 is an equidigital number, since it uses as much as digits as its factorization.

1284446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642225.

The product of its digits is 6144, while the sum is 29.

The square root of 1284446 is about 1133.3340196076. The cubic root of 1284446 is about 108.7022708596.

The spelling of 1284446 in words is "one million, two hundred eighty-four thousand, four hundred forty-six".