616955 has 8 divisors (see below), whose sum is σ = 745872. Its totient is φ = 489888.

The previous prime is 616951. The next prime is 616961. The reversal of 616955 is 559616.

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

It is a cyclic number.

It is not a de Polignac number, because 616955 - 2² = 616951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (93234).

2⁶¹⁶⁹⁵⁵ is an apocalyptic number.

616955 is a deficient number, since it is larger than the sum of its proper divisors (128917).

616955 is a wasteful number, since it uses less digits than its factorization.

616955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 8100, while the sum is 32.

The square root of 616955 is about 785.4648305303. The cubic root of 616955 is about 85.1303651231.

It can be divided in two parts, 6 and 16955, that added together give a palindrome (16961).

The spelling of 616955 in words is "six hundred sixteen thousand, nine hundred fifty-five".