784379 has 2 divisors, whose sum is σ = 784380. Its totient is φ = 784378.

The previous prime is 784373. The next prime is 784387. The reversal of 784379 is 973487.

784379 is nontrivially palindromic in base 16.

It is a weak prime.

It is an emirp because it is prime and its reverse (973487) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-784379 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 784379 parts by 1252 straight cuts.

It is not a weakly prime, because it can be changed into another prime (784373) 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 as a sum of consecutive naturals, namely, 392189 + 392190.

It is an arithmetic number, because the mean of its divisors is an integer number (392190).

2⁷⁸⁴³⁷⁹ is an apocalyptic number.

784379 is a deficient number, since it is larger than the sum of its proper divisors (1).

784379 is an equidigital number, since it uses as much as digits as its factorization.

784379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 784379 is about 885.6517374228. The cubic root of 784379 is about 92.2235819114.

The spelling of 784379 in words is "seven hundred eighty-four thousand, three hundred seventy-nine".