780413 has 4 divisors (see below), whose sum is σ = 814368. Its totient is φ = 746460.

The previous prime is 780401. The next prime is 780421. The reversal of 780413 is 314087.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314087 = 443 ⋅709.

It is a cyclic number.

It is not a de Polignac number, because 780413 - 2⁴ = 780397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 33931 = 780413 / (7 + 8 + 0 + 4 + 1 + 3).

It is a Duffinian number.

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 780413.

It is not an unprimeable number, because it can be changed into a prime (780433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16943 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (203592).

2⁷⁸⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

780413 is a deficient number, since it is larger than the sum of its proper divisors (33955).

780413 is a wasteful number, since it uses less digits than its factorization.

780413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33954.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 780413 is about 883.4098708980. The cubic root of 780413 is about 92.0678846797.

The spelling of 780413 in words is "seven hundred eighty thousand, four hundred thirteen".