780046 has 8 divisors (see below), whose sum is σ = 1185120. Its totient is φ = 385008.

The previous prime is 780041. The next prime is 780047. The reversal of 780046 is 640087.

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

It is a self number, because there is not a number n which added to its sum of digits gives 780046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (148140).

2⁷⁸⁰⁰⁴⁶ is an apocalyptic number.

780046 is a deficient number, since it is larger than the sum of its proper divisors (405074).

780046 is a wasteful number, since it uses less digits than its factorization.

780046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 780046 is about 883.2021286206. The cubic root of 780046 is about 92.0534503518.

The spelling of 780046 in words is "seven hundred eighty thousand, forty-six".