768438 has 24 divisors (see below), whose sum is σ = 1816776. Its totient is φ = 232800.

The previous prime is 768437. The next prime is 768457. The reversal of 768438 is 834867.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768438.

It is not an unprimeable number, because it can be changed into a prime (768431) 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, 1743 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (75699).

2⁷⁶⁸⁴³⁸ is an apocalyptic number.

768438 is an abundant number, since it is smaller than the sum of its proper divisors (1048338).

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

768438 is a wasteful number, since it uses less digits than its factorization.

768438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3897 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 768438 is about 876.6059548052. The cubic root of 768438 is about 91.5945452915.

The spelling of 768438 in words is "seven hundred sixty-eight thousand, four hundred thirty-eight".