616830 has 32 divisors (see below), whose sum is σ = 1533600. Its totient is φ = 158592.

The previous prime is 616829. The next prime is 616841. The reversal of 616830 is 38616.

It is a self number, because there is not a number n which added to its sum of digits gives 616830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (47925).

2⁶¹⁶⁸³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766800).

616830 is an abundant number, since it is smaller than the sum of its proper divisors (916770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616830 is a wasteful number, since it uses less digits than its factorization.

616830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 616830 is about 785.3852557822. The cubic root of 616830 is about 85.1246153713.

It can be divided in two parts, 6 and 16830, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 616830 in words is "six hundred sixteen thousand, eight hundred thirty".