7938885 has 8 divisors (see below), whose sum is σ = 12702240. Its totient is φ = 4234064.

The previous prime is 7938877. The next prime is 7938893. The reversal of 7938885 is 5888397.

It is a happy number.

7938885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7938877) and next prime (7938893).

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 7938885 - 2³ = 7938877 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 264615 + ... + 264644.

It is an arithmetic number, because the mean of its divisors is an integer number (1587780).

Almost surely, 2^7938885 is an apocalyptic number.

It is an amenable number.

7938885 is a deficient number, since it is larger than the sum of its proper divisors (4763355).

7938885 is a wasteful number, since it uses less digits than its factorization.

7938885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529267.

The product of its digits is 483840, while the sum is 48.

The square root of 7938885 is about 2817.6027044280. The cubic root of 7938885 is about 199.4894059110.

The spelling of 7938885 in words is "seven million, nine hundred thirty-eight thousand, eight hundred eighty-five".