616828343 has 2 divisors, whose sum is σ = 616828344. Its totient is φ = 616828342.

The previous prime is 616828339. The next prime is 616828367. The reversal of 616828343 is 343828616.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616828343 - 2² = 616828339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616828343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616828243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308414171 + 308414172.

It is an arithmetic number, because the mean of its divisors is an integer number (308414172).

Almost surely, 2^616828343 is an apocalyptic number.

616828343 is a deficient number, since it is larger than the sum of its proper divisors (1).

616828343 is an equidigital number, since it uses as much as digits as its factorization.

616828343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 616828343 is about 24836.0291310829. The cubic root of 616828343 is about 851.2453914734.

The spelling of 616828343 in words is "six hundred sixteen million, eight hundred twenty-eight thousand, three hundred forty-three".