616842 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 205596.

The previous prime is 616841. The next prime is 616843. The reversal of 616842 is 248616.

616842 is a `hidden beast` number, since 616 + 8 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (616841) and next prime (616843).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (616841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5658 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2⁶¹⁶⁸⁴² is an apocalyptic number.

616842 is an abundant number, since it is smaller than the sum of its proper divisors (754038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616842 is a wasteful number, since it uses less digits than its factorization.

616842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434 (or 11428 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 616842 is about 785.3928953078. The cubic root of 616842 is about 85.1251673811.

It can be divided in two parts, 61 and 6842, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 616842 in words is "six hundred sixteen thousand, eight hundred forty-two".