1005238 has 24 divisors (see below), whose sum is σ = 1736784. Its totient is φ = 432960.

The previous prime is 1005229. The next prime is 1005239. The reversal of 1005238 is 8325001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24498 + ... + 24538.

It is an arithmetic number, because the mean of its divisors is an integer number (72366).

2^1005238 is an apocalyptic number.

1005238 is a deficient number, since it is larger than the sum of its proper divisors (731546).

1005238 is a wasteful number, since it uses less digits than its factorization.

1005238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1005238 is about 1002.6155793723. The cubic root of 1005238 is about 100.1742960324.

The spelling of 1005238 in words is "one million, five thousand, two hundred thirty-eight".