229639839 has 32 divisors (see below), whose sum is σ = 363277824. Its totient is φ = 127198080.

The previous prime is 229639829. The next prime is 229639849. The reversal of 229639839 is 938936922.

229639839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229639829) and next prime (229639849).

It is not a de Polignac number, because 229639839 - 2¹⁵ = 229607071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229639791 and 229639800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229639829) 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, 41589 + ... + 46785.

It is an arithmetic number, because the mean of its divisors is an integer number (11352432).

Almost surely, 2^229639839 is an apocalyptic number.

229639839 is a deficient number, since it is larger than the sum of its proper divisors (133637985).

229639839 is a wasteful number, since it uses less digits than its factorization.

229639839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327.

The product of its digits is 1259712, while the sum is 51.

The square root of 229639839 is about 15153.8720794390. The cubic root of 229639839 is about 612.3725917972.

The spelling of 229639839 in words is "two hundred twenty-nine million, six hundred thirty-nine thousand, eight hundred thirty-nine".