1208439 has 12 divisors (see below), whose sum is σ = 1810536. Its totient is φ = 805464.

The previous prime is 1208423. The next prime is 1208447. The reversal of 1208439 is 9348021.

It is not a de Polignac number, because 1208439 - 2⁴ = 1208423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208239) 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 11 ways as a sum of consecutive naturals, for example, 2244 + ... + 2729.

It is an arithmetic number, because the mean of its divisors is an integer number (150878).

2^1208439 is an apocalyptic number.

1208439 is a deficient number, since it is larger than the sum of its proper divisors (602097).

1208439 is an frugal number, since it uses more digits than its factorization.

1208439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1208439 is about 1099.2902255547. The cubic root of 1208439 is about 106.5143801253.

The spelling of 1208439 in words is "one million, two hundred eight thousand, four hundred thirty-nine".