604402819 has 4 divisors (see below), whose sum is σ = 639955944. Its totient is φ = 568849696.

The previous prime is 604402801. The next prime is 604402837. The reversal of 604402819 is 918204406.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (604402801) and next prime (604402837).

It is a cyclic number.

It is not a de Polignac number, because 604402819 - 2²⁹ = 67531907 is a prime.

It is a super-2 number, since 2×604402819² = 730605535230293522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604402879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17776537 + ... + 17776570.

It is an arithmetic number, because the mean of its divisors is an integer number (159988986).

Almost surely, 2^604402819 is an apocalyptic number.

604402819 is a deficient number, since it is larger than the sum of its proper divisors (35553125).

604402819 is a wasteful number, since it uses less digits than its factorization.

604402819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35553124.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 604402819 is about 24584.6053252844. The cubic root of 604402819 is about 845.4906847454.

The spelling of 604402819 in words is "six hundred four million, four hundred two thousand, eight hundred nineteen".