616379929 has 27 divisors (see below), whose sum is σ = 707916573. Its totient is φ = 536263200.

The previous prime is 616379879. The next prime is 616379977. The reversal of 616379929 is 929973616.

The square root of 616379929 is 24827.

It is a perfect power (a square), and thus also a powerful number.

616379929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13579225 + 602800704 = 3685^2 + 24552^2 .

It is not a de Polignac number, because 616379929 - 2⁷ = 616379801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616379989) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10104559 + ... + 10104619.

Almost surely, 2^616379929 is an apocalyptic number.

616379929 is the 24827-th square number.

616379929 is the 12414-th centered octagonal number.

It is an amenable number.

616379929 is a deficient number, since it is larger than the sum of its proper divisors (91536644).

616379929 is an equidigital number, since it uses as much as digits as its factorization.

616379929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 109 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 52.

The cubic root of 616379929 is about 851.0390656295.

The spelling of 616379929 in words is "six hundred sixteen million, three hundred seventy-nine thousand, nine hundred twenty-nine".