616789229 has 32 divisors (see below), whose sum is σ = 779642880. Its totient is φ = 475751232.

The previous prime is 616789211. The next prime is 616789259. The reversal of 616789229 is 922987616.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 616789229 - 2²⁸ = 348353773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616789259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497999 + ... + 499235.

It is an arithmetic number, because the mean of its divisors is an integer number (24363840).

Almost surely, 2^616789229 is an apocalyptic number.

It is an amenable number.

616789229 is a deficient number, since it is larger than the sum of its proper divisors (162853651).

616789229 is a wasteful number, since it uses less digits than its factorization.

616789229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its digits is 653184, while the sum is 50.

The square root of 616789229 is about 24835.2416738795. The cubic root of 616789229 is about 851.2273981822.

It can be divided in two parts, 61678 and 9229, that added together give a palindrome (70907).

The spelling of 616789229 in words is "six hundred sixteen million, seven hundred eighty-nine thousand, two hundred twenty-nine".