616343 has 12 divisors (see below), whose sum is σ = 764208. Its totient is φ = 486720.

The previous prime is 616327. The next prime is 616361. The reversal of 616343 is 343616.

It is not a de Polignac number, because 616343 - 2⁴ = 616327 is a prime.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 923 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (63684).

2⁶¹⁶³⁴³ is an apocalyptic number.

616343 is a deficient number, since it is larger than the sum of its proper divisors (147865).

616343 is a wasteful number, since it uses less digits than its factorization.

616343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 541 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 616343 is about 785.0751556380. The cubic root of 616343 is about 85.1022069267.

Adding to 616343 its reverse (343616), we get a palindrome (959959).

It can be divided in two parts, 616 and 343, that added together give a palindrome (959).

The spelling of 616343 in words is "six hundred sixteen thousand, three hundred forty-three".