229734649 has 9 divisors (see below), whose sum is σ = 240522373. Its totient is φ = 219412732.

The previous prime is 229734647. The next prime is 229734653. The reversal of 229734649 is 946437922.

The square root of 229734649 is 15157.

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

It is not a de Polignac number, because 229734649 - 2¹ = 229734647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229734599 and 229734608.

It is not an unprimeable number, because it can be changed into a prime (229734647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 348282 + ... + 348940.

Almost surely, 2^229734649 is an apocalyptic number.

229734649 is the 15157-th square number.

229734649 is the 7579-th centered octagonal number.

It is an amenable number.

229734649 is a deficient number, since it is larger than the sum of its proper divisors (10787724).

229734649 is an frugal number, since it uses more digits than its factorization.

229734649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 682 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The cubic root of 229734649 is about 612.4568557143.

The spelling of 229734649 in words is "two hundred twenty-nine million, seven hundred thirty-four thousand, six hundred forty-nine".