904350949 has 2 divisors, whose sum is σ = 904350950. Its totient is φ = 904350948.

The previous prime is 904350947. The next prime is 904350977. The reversal of 904350949 is 949053409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 887622849 + 16728100 = 29793^2 + 4090^2 .

It is a cyclic number.

It is not a de Polignac number, because 904350949 - 2¹ = 904350947 is a prime.

Together with 904350947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904350947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452175474 + 452175475.

It is an arithmetic number, because the mean of its divisors is an integer number (452175475).

Almost surely, 2^904350949 is an apocalyptic number.

It is an amenable number.

904350949 is a deficient number, since it is larger than the sum of its proper divisors (1).

904350949 is an equidigital number, since it uses as much as digits as its factorization.

904350949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 904350949 is about 30072.4283854829. The cubic root of 904350949 is about 967.0427341505.

The spelling of 904350949 in words is "nine hundred four million, three hundred fifty thousand, nine hundred forty-nine".