1008939 has 8 divisors (see below), whose sum is σ = 1391760. Its totient is φ = 649376.

The previous prime is 1008937. The next prime is 1008947. The reversal of 1008939 is 9398001.

1008939 = T₄₆₉ + T₄₇₀ + ... + T₄₇₇.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1008939 - 2¹ = 1008937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1008937) 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, 5712 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (173970).

2^1008939 is an apocalyptic number.

1008939 is a deficient number, since it is larger than the sum of its proper divisors (382821).

1008939 is a wasteful number, since it uses less digits than its factorization.

1008939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11629.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1008939 is about 1004.4595561793. The cubic root of 1008939 is about 100.2970832083.

The spelling of 1008939 in words is "one million, eight thousand, nine hundred thirty-nine".