604999899 has 12 divisors (see below), whose sum is σ = 998730096. Its totient is φ = 345714192.

The previous prime is 604999897. The next prime is 604999903. The reversal of 604999899 is 998999406.

604999899 is a `hidden beast` number, since 60 + 499 + 9 + 89 + 9 = 666.

It is not a de Polignac number, because 604999899 - 2¹ = 604999897 is a prime.

It is a super-3 number, since 3×604999899³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 9603173 = 604999899 / (6 + 0 + 4 + 9 + 9 + 9 + 8 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (604999897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4801524 + ... + 4801649.

It is an arithmetic number, because the mean of its divisors is an integer number (83227508).

Almost surely, 2^604999899 is an apocalyptic number.

604999899 is a deficient number, since it is larger than the sum of its proper divisors (393730197).

604999899 is a wasteful number, since it uses less digits than its factorization.

604999899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603186 (or 9603183 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The square root of 604999899 is about 24596.7456993806. The cubic root of 604999899 is about 845.7690087467.

The spelling of 604999899 in words is "six hundred four million, nine hundred ninety-nine thousand, eight hundred ninety-nine".