780464 has 10 divisors (see below), whose sum is σ = 1512180. Its totient is φ = 390224.

The previous prime is 780457. The next prime is 780469. The reversal of 780464 is 464087.

780464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (780469) by changing a digit.

780464 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 as a sum of consecutive naturals, namely, 24374 + ... + 24405.

It is an arithmetic number, because the mean of its divisors is an integer number (151218).

2⁷⁸⁰⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

780464 is a deficient number, since it is larger than the sum of its proper divisors (731716).

780464 is a wasteful number, since it uses less digits than its factorization.

780464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48787 (or 48781 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 780464 is about 883.4387358499. The cubic root of 780464 is about 92.0698901819.

The spelling of 780464 in words is "seven hundred eighty thousand, four hundred sixty-four".