616365 has 12 divisors (see below), whose sum is σ = 1068444. Its totient is φ = 328704.

The previous prime is 616361. The next prime is 616367. The reversal of 616365 is 563616.

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 522729 = 306^2 + 723^2 .

It is not a de Polignac number, because 616365 - 2² = 616361 is a prime.

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

616365 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616365.

It is not an unprimeable number, because it can be changed into a prime (616361) 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, 6804 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (89037).

2⁶¹⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

616365 is a deficient number, since it is larger than the sum of its proper divisors (452079).

616365 is a wasteful number, since it uses less digits than its factorization.

616365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708 (or 13705 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 616365 is about 785.0891669104. The cubic root of 616365 is about 85.1032194724.

The spelling of 616365 in words is "six hundred sixteen thousand, three hundred sixty-five".