1283849 has 16 divisors (see below), whose sum is σ = 1584000. Its totient is φ = 1037232.

The previous prime is 1283839. The next prime is 1283873. The reversal of 1283849 is 9483821.

It is a happy number.

It is not a de Polignac number, because 1283849 - 2¹² = 1279753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6419 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^1283849 is an apocalyptic number.

1283849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1283849 is a deficient number, since it is larger than the sum of its proper divisors (300151).

1283849 is an equidigital number, since it uses as much as digits as its factorization.

1283849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 223 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1283849 is about 1133.0706068026. The cubic root of 1283849 is about 108.6854269407.

The spelling of 1283849 in words is "one million, two hundred eighty-three thousand, eight hundred forty-nine".