1283764 has 6 divisors (see below), whose sum is σ = 2246594. Its totient is φ = 641880.

The previous prime is 1283759. The next prime is 1283767. The reversal of 1283764 is 4673821.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 547600 = 858^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160467 + ... + 160474.

2^1283764 is an apocalyptic number.

It is an amenable number.

1283764 is a deficient number, since it is larger than the sum of its proper divisors (962830).

1283764 is a wasteful number, since it uses less digits than its factorization.

1283764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320945 (or 320943 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 1283764 is about 1133.0330974866. The cubic root of 1283764 is about 108.6830283032.

The spelling of 1283764 in words is "one million, two hundred eighty-three thousand, seven hundred sixty-four".