1238289 has 8 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 762000.

The previous prime is 1238273. The next prime is 1238291. The reversal of 1238289 is 9828321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1238289 - 2⁴ = 1238273 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1238219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15837 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

2^1238289 is an apocalyptic number.

It is an amenable number.

1238289 is a deficient number, since it is larger than the sum of its proper divisors (539823).

1238289 is a wasteful number, since it uses less digits than its factorization.

1238289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767.

The product of its digits is 6912, while the sum is 33.

The square root of 1238289 is about 1112.7843456843. The cubic root of 1238289 is about 107.3842706245.

The spelling of 1238289 in words is "one million, two hundred thirty-eight thousand, two hundred eighty-nine".