604453993 has 16 divisors (see below), whose sum is σ = 717175872. Its totient is φ = 502200000.

The previous prime is 604453991. The next prime is 604453999. The reversal of 604453993 is 399354406.

It is a cyclic number.

It is not a de Polignac number, because 604453993 - 2¹ = 604453991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604453991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6483 + ... + 35368.

It is an arithmetic number, because the mean of its divisors is an integer number (44823492).

Almost surely, 2^604453993 is an apocalyptic number.

It is an amenable number.

604453993 is a deficient number, since it is larger than the sum of its proper divisors (112721879).

604453993 is a wasteful number, since it uses less digits than its factorization.

604453993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41976.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 604453993 is about 24585.6460765220. The cubic root of 604453993 is about 845.5145462706.

The spelling of 604453993 in words is "six hundred four million, four hundred fifty-three thousand, nine hundred ninety-three".