616478 has 8 divisors (see below), whose sum is σ = 929280. Its totient is φ = 306720.

The previous prime is 616463. The next prime is 616481. The reversal of 616478 is 874616.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616478.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 1121.

It is an arithmetic number, because the mean of its divisors is an integer number (116160).

2⁶¹⁶⁴⁷⁸ is an apocalyptic number.

616478 is a deficient number, since it is larger than the sum of its proper divisors (312802).

616478 is a wasteful number, since it uses less digits than its factorization.

616478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 8064, while the sum is 32.

The square root of 616478 is about 785.1611299600. The cubic root of 616478 is about 85.1084198954.

The spelling of 616478 in words is "six hundred sixteen thousand, four hundred seventy-eight".