766406 has 8 divisors (see below), whose sum is σ = 1199664. Its totient is φ = 366520.

The previous prime is 766399. The next prime is 766421. The reversal of 766406 is 604667.

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

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 3 ways as a sum of consecutive naturals, for example, 8285 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (149958).

2⁷⁶⁶⁴⁰⁶ is an apocalyptic number.

766406 is a deficient number, since it is larger than the sum of its proper divisors (433258).

766406 is a wasteful number, since it uses less digits than its factorization.

766406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 766406 is about 875.4461719603. The cubic root of 766406 is about 91.5137387673.

The spelling of 766406 in words is "seven hundred sixty-six thousand, four hundred six".