786349 has 2 divisors, whose sum is σ = 786350. Its totient is φ = 786348.

The previous prime is 786337. The next prime is 786371. The reversal of 786349 is 943687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 310249 = 690^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-786349 is a prime.

786349 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (786319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393174 + 393175.

It is an arithmetic number, because the mean of its divisors is an integer number (393175).

786349 is a Friedman number, since it can be written as 8^6*3-74-9, using all its digits and the basic arithmetic operations.

2⁷⁸⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

786349 is a deficient number, since it is larger than the sum of its proper divisors (1).

786349 is an equidigital number, since it uses as much as digits as its factorization.

786349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 786349 is about 886.7632152948. The cubic root of 786349 is about 92.3007251330.

The spelling of 786349 in words is "seven hundred eighty-six thousand, three hundred forty-nine".