770408 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 356928.

The previous prime is 770401. The next prime is 770417. The reversal of 770408 is 804077.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770408.

It is not an unprimeable number, because it can be changed into a prime (770401) by changing a digit.

770408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁷⁷⁰⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

770408 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.

770408 is a wasteful number, since it uses less digits than its factorization.

770408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 770408 is about 877.7288875274. The cubic root of 770408 is about 91.6727503768.

The spelling of 770408 in words is "seven hundred seventy thousand, four hundred eight".