604157609 has 8 divisors (see below), whose sum is σ = 681808320. Its totient is φ = 530294800.

The previous prime is 604157597. The next prime is 604157623. The reversal of 604157609 is 906751406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 604157609 - 2²⁴ = 587380393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604157689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946637 + ... + 947274.

It is an arithmetic number, because the mean of its divisors is an integer number (85226040).

Almost surely, 2^604157609 is an apocalyptic number.

It is an amenable number.

604157609 is a deficient number, since it is larger than the sum of its proper divisors (77650711).

604157609 is a wasteful number, since it uses less digits than its factorization.

604157609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893951.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 604157609 is about 24579.6177553680. The cubic root of 604157609 is about 845.3763289946.

The spelling of 604157609 in words is "six hundred four million, one hundred fifty-seven thousand, six hundred nine".