778232 has 32 divisors (see below), whose sum is σ = 1797600. Its totient is φ = 307584.

The previous prime is 778223. The next prime is 778237. The reversal of 778232 is 232877.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 778195 and 778204.

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 778232.

It is not an unprimeable number, because it can be changed into a prime (778237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 1262.

It is an arithmetic number, because the mean of its divisors is an integer number (56175).

2⁷⁷⁸²³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 778232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898800).

778232 is an abundant number, since it is smaller than the sum of its proper divisors (1019368).

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

778232 is a wasteful number, since it uses less digits than its factorization.

778232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1091 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 778232 is about 882.1745858956. The cubic root of 778232 is about 91.9820380813.

The spelling of 778232 in words is "seven hundred seventy-eight thousand, two hundred thirty-two".