786413 has 4 divisors (see below), whose sum is σ = 791580. Its totient is φ = 781248.

The previous prime is 786407. The next prime is 786419. The reversal of 786413 is 314687.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (786407) and next prime (786419).

It can be written as a sum of positive squares in 2 ways, for example, as 299209 + 487204 = 547^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 786413 - 2⁶ = 786349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (197895).

786413 is a Friedman number, since it can be written as (8^6-4)*3*1-7, using all its digits and the basic arithmetic operations.

2⁷⁸⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

786413 is a deficient number, since it is larger than the sum of its proper divisors (5167).

786413 is a wasteful number, since it uses less digits than its factorization.

786413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166.

The product of its digits is 4032, while the sum is 29.

The square root of 786413 is about 886.7993008567. The cubic root of 786413 is about 92.3032291467.

The spelling of 786413 in words is "seven hundred eighty-six thousand, four hundred thirteen".