7768938 has 8 divisors (see below), whose sum is σ = 15537888. Its totient is φ = 2589644.

The previous prime is 7768921. The next prime is 7768961. The reversal of 7768938 is 8398677.

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

7768938 is an admirable number.

It is a super-3 number, since 3×7768938³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 647406 + ... + 647417.

It is an arithmetic number, because the mean of its divisors is an integer number (1942236).

Almost surely, 2^7768938 is an apocalyptic number.

7768938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7768938 is a wasteful number, since it uses less digits than its factorization.

7768938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294828.

The product of its digits is 508032, while the sum is 48.

The square root of 7768938 is about 2787.2814712547. The cubic root of 7768938 is about 198.0556419480.

The spelling of 7768938 in words is "seven million, seven hundred sixty-eight thousand, nine hundred thirty-eight".