1284364 has 6 divisors (see below), whose sum is σ = 2247644. Its totient is φ = 642180.

The previous prime is 1284341. The next prime is 1284373. The reversal of 1284364 is 4634821.

It is a d-powerful number, because it can be written as 1 + 2¹³ + 8⁵ + 4⁷ + 3¹¹ + 6⁴ + 4¹⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160542 + ... + 160549.

2^1284364 is an apocalyptic number.

It is an amenable number.

1284364 is a deficient number, since it is larger than the sum of its proper divisors (963280).

1284364 is a wasteful number, since it uses less digits than its factorization.

1284364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321095 (or 321093 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1284364 is about 1133.2978425816. The cubic root of 1284364 is about 108.6999575987.

The spelling of 1284364 in words is "one million, two hundred eighty-four thousand, three hundred sixty-four".