904435379 has 2 divisors, whose sum is σ = 904435380. Its totient is φ = 904435378.

The previous prime is 904435373. The next prime is 904435381. The reversal of 904435379 is 973534409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904435379 is a prime.

Together with 904435381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (904435373) 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, 452217689 + 452217690.

It is an arithmetic number, because the mean of its divisors is an integer number (452217690).

Almost surely, 2^904435379 is an apocalyptic number.

904435379 is a deficient number, since it is larger than the sum of its proper divisors (1).

904435379 is an equidigital number, since it uses as much as digits as its factorization.

904435379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 904435379 is about 30073.8321302756. The cubic root of 904435379 is about 967.0728275109.

The spelling of 904435379 in words is "nine hundred four million, four hundred thirty-five thousand, three hundred seventy-nine".