784349 has 2 divisors, whose sum is σ = 784350. Its totient is φ = 784348.

The previous prime is 784327. The next prime is 784351. The reversal of 784349 is 943487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465124 + 319225 = 682^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 784349 - 2¹² = 780253 is a prime.

Together with 784351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (784309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392174 + 392175.

It is an arithmetic number, because the mean of its divisors is an integer number (392175).

2⁷⁸⁴³⁴⁹ is an apocalyptic number.

It is an amenable number.

784349 is a deficient number, since it is larger than the sum of its proper divisors (1).

784349 is an equidigital number, since it uses as much as digits as its factorization.

784349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 784349 is about 885.6348005809. The cubic root of 784349 is about 92.2224061436. Note that the first 3 decimals are identical.

The spelling of 784349 in words is "seven hundred eighty-four thousand, three hundred forty-nine".