1283358 has 16 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 423576.

The previous prime is 1283353. The next prime is 1283383. The reversal of 1283358 is 8533821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283353) 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 in 7 ways as a sum of consecutive naturals, for example, 358 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2^1283358 is an apocalyptic number.

1283358 is an abundant number, since it is smaller than the sum of its proper divisors (1308642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283358 is a wasteful number, since it uses less digits than its factorization.

1283358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 5760, while the sum is 30.

The square root of 1283358 is about 1132.8539182083. The cubic root of 1283358 is about 108.6715698207.

It can be divided in two parts, 128 and 3358, that added together give a triangular number (3486 = T₈₃).

The spelling of 1283358 in words is "one million, two hundred eighty-three thousand, three hundred fifty-eight".