604855949 has 2 divisors, whose sum is σ = 604855950. Its totient is φ = 604855948.

The previous prime is 604855919. The next prime is 604855957. The reversal of 604855949 is 949558406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445969924 + 158886025 = 21118^2 + 12605^2 .

It is a cyclic number.

It is not a de Polignac number, because 604855949 - 2¹² = 604851853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 604855897 and 604855906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604855919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302427974 + 302427975.

It is an arithmetic number, because the mean of its divisors is an integer number (302427975).

Almost surely, 2^604855949 is an apocalyptic number.

It is an amenable number.

604855949 is a deficient number, since it is larger than the sum of its proper divisors (1).

604855949 is an equidigital number, since it uses as much as digits as its factorization.

604855949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 604855949 is about 24593.8193251882. The cubic root of 604855949 is about 845.7019243795.

The spelling of 604855949 in words is "six hundred four million, eight hundred fifty-five thousand, nine hundred forty-nine".