616430 has 8 divisors (see below), whose sum is σ = 1109592. Its totient is φ = 246568.

The previous prime is 616411. The next prime is 616433. The reversal of 616430 is 34616.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616433) by changing a digit.

616430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 30812 + ... + 30831.

It is an arithmetic number, because the mean of its divisors is an integer number (138699).

2⁶¹⁶⁴³⁰ is an apocalyptic number.

616430 is a deficient number, since it is larger than the sum of its proper divisors (493162).

616430 is a wasteful number, since it uses less digits than its factorization.

616430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61650.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 616430 is about 785.1305623907. The cubic root of 616430 is about 85.1062109438.

The spelling of 616430 in words is "six hundred sixteen thousand, four hundred thirty".