1006396238 has 16 divisors (see below), whose sum is σ = 1518867504. Its totient is φ = 500115840.

The previous prime is 1006396231. The next prime is 1006396241. The reversal of 1006396238 is 8326936001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006396231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281156 + ... + 284712.

It is an arithmetic number, because the mean of its divisors is an integer number (94929219).

Almost surely, 2^1006396238 is an apocalyptic number.

1006396238 is a deficient number, since it is larger than the sum of its proper divisors (512471266).

1006396238 is a wasteful number, since it uses less digits than its factorization.

1006396238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1006396238 is about 31723.7488011742. The cubic root of 1006396238 is about 1002.1275496557.

The spelling of 1006396238 in words is "one billion, six million, three hundred ninety-six thousand, two hundred thirty-eight".