616886 has 8 divisors (see below), whose sum is σ = 948024. Its totient is φ = 300880.

The previous prime is 616877. The next prime is 616897. The reversal of 616886 is 688616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

616886 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (118503).

2⁶¹⁶⁸⁸⁶ is an apocalyptic number.

616886 is a deficient number, since it is larger than the sum of its proper divisors (331138).

616886 is a wasteful number, since it uses less digits than its factorization.

616886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566.

The product of its digits is 13824, while the sum is 35.

The square root of 616886 is about 785.4209062662. The cubic root of 616886 is about 85.1271913561.

The spelling of 616886 in words is "six hundred sixteen thousand, eight hundred eighty-six".