616434 has 32 divisors (see below), whose sum is σ = 1518720. Its totient is φ = 162432.

The previous prime is 616433. The next prime is 616439. The reversal of 616434 is 434616.

616434 = 33² + 34² + ... + 123².

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616434.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (47460).

2⁶¹⁶⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759360).

616434 is an abundant number, since it is smaller than the sum of its proper divisors (902286).

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

616434 is a wasteful number, since it uses less digits than its factorization.

616434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its digits is 1728, while the sum is 24.

The square root of 616434 is about 785.1331097336. The cubic root of 616434 is about 85.1063950275.

The spelling of 616434 in words is "six hundred sixteen thousand, four hundred thirty-four".