616408 has 16 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 284448.

The previous prime is 616393. The next prime is 616409. The reversal of 616408 is 804616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616409) by changing a digit.

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, 2860 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2⁶¹⁶⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

616408 is an abundant number, since it is smaller than the sum of its proper divisors (628472).

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

616408 is a wasteful number, since it uses less digits than its factorization.

616408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 616408 is about 785.1165518571. The cubic root of 616408 is about 85.1051984693.

It can be divided in two parts, 616 and 408, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 616408 in words is "six hundred sixteen thousand, four hundred eight".