616904426 has 8 divisors (see below), whose sum is σ = 974059680. Its totient is φ = 292217868.

The previous prime is 616904401. The next prime is 616904429. The reversal of 616904426 is 624409616.

It is a happy number.

616904426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 16234327 = 616904426 / (6 + 1 + 6 + 9 + 0 + 4 + 4 + 2 + 6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 616904426.

It is not an unprimeable number, because it can be changed into a prime (616904429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8117126 + ... + 8117201.

It is an arithmetic number, because the mean of its divisors is an integer number (121757460).

Almost surely, 2^616904426 is an apocalyptic number.

616904426 is a deficient number, since it is larger than the sum of its proper divisors (357155254).

616904426 is a wasteful number, since it uses less digits than its factorization.

616904426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234348.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 616904426 is about 24837.5607900615. The cubic root of 616904426 is about 851.2803891305.

The spelling of 616904426 in words is "six hundred sixteen million, nine hundred four thousand, four hundred twenty-six".