616604234 has 8 divisors (see below), whose sum is σ = 925508100. Its totient is φ = 308101536.

The previous prime is 616604231. The next prime is 616604249. The reversal of 616604234 is 432406616.

It can be written as a sum of positive squares in 2 ways, for example, as 595213609 + 21390625 = 24397^2 + 4625^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 616604234.

It is not an unprimeable number, because it can be changed into a prime (616604231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96419 + ... + 102614.

Almost surely, 2^616604234 is an apocalyptic number.

616604234 is a deficient number, since it is larger than the sum of its proper divisors (308903866).

616604234 is a wasteful number, since it uses less digits than its factorization.

616604234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200584.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 616604234 is about 24831.5169492321. The cubic root of 616604234 is about 851.1422861474.

The spelling of 616604234 in words is "six hundred sixteen million, six hundred four thousand, two hundred thirty-four".