616546 has 16 divisors (see below), whose sum is σ = 1080576. Its totient is φ = 258336.

The previous prime is 616537. The next prime is 616547. The reversal of 616546 is 645616.

It is not an unprimeable number, because it can be changed into a prime (616547) 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, 190 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (67536).

2⁶¹⁶⁵⁴⁶ is an apocalyptic number.

616546 is a deficient number, since it is larger than the sum of its proper divisors (464030).

616546 is a wasteful number, since it uses less digits than its factorization.

616546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its digits is 4320, while the sum is 28.

The square root of 616546 is about 785.2044319793. The cubic root of 616546 is about 85.1115490472. Note that the first 3 decimals are identical.

The spelling of 616546 in words is "six hundred sixteen thousand, five hundred forty-six".