1284832 has 12 divisors (see below), whose sum is σ = 2529576. Its totient is φ = 642400.

The previous prime is 1284823. The next prime is 1284841. The reversal of 1284832 is 2384821.

It is an interprime number because it is at equal distance from previous prime (1284823) and next prime (1284841).

It is a self number, because there is not a number n which added to its sum of digits gives 1284832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20044 + ... + 20107.

It is an arithmetic number, because the mean of its divisors is an integer number (210798).

2^1284832 is an apocalyptic number.

It is an amenable number.

1284832 is a deficient number, since it is larger than the sum of its proper divisors (1244744).

1284832 is an equidigital number, since it uses as much as digits as its factorization.

1284832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40161 (or 40153 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1284832 is about 1133.5043008300. The cubic root of 1284832 is about 108.7131587895.

It can be divided in two parts, 12848 and 32, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 1284832 in words is "one million, two hundred eighty-four thousand, eight hundred thirty-two".