768406 has 4 divisors (see below), whose sum is σ = 1152612. Its totient is φ = 384202.

The previous prime is 768401. The next prime is 768409. The reversal of 768406 is 604867.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192100 + ... + 192103.

It is an arithmetic number, because the mean of its divisors is an integer number (288153).

2⁷⁶⁸⁴⁰⁶ is an apocalyptic number.

768406 is a deficient number, since it is larger than the sum of its proper divisors (384206).

768406 is a wasteful number, since it uses less digits than its factorization.

768406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384205.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 768406 is about 876.5877024006. The cubic root of 768406 is about 91.5932738525.

The spelling of 768406 in words is "seven hundred sixty-eight thousand, four hundred six".