1284238 has 16 divisors (see below), whose sum is σ = 2003760. Its totient is φ = 616896.

The previous prime is 1284223. The next prime is 1284263. The reversal of 1284238 is 8324821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9306 + ... + 9442.

It is an arithmetic number, because the mean of its divisors is an integer number (125235).

2^1284238 is an apocalyptic number.

1284238 is a deficient number, since it is larger than the sum of its proper divisors (719522).

1284238 is a wasteful number, since it uses less digits than its factorization.

1284238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

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

The square root of 1284238 is about 1133.2422512420. The cubic root of 1284238 is about 108.6964028841.

It can be divided in two parts, 12842 and 38, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 1284238 in words is "one million, two hundred eighty-four thousand, two hundred thirty-eight".