229879936 has 128 divisors (see below), whose sum is σ = 567201600. Its totient is φ = 91238400.

The previous prime is 229879931. The next prime is 229879957. The reversal of 229879936 is 639978922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (229879931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347446 + ... + 348106.

Almost surely, 2^229879936 is an apocalyptic number.

229879936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229879936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283600800).

229879936 is an abundant number, since it is smaller than the sum of its proper divisors (337321664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229879936 is a wasteful number, since it uses less digits than its factorization.

229879936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 706 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 229879936 is about 15161.7919785229. The cubic root of 229879936 is about 612.5859369078.

It can be divided in two parts, 22987 and 9936, that added together give a palindrome (32923).

The spelling of 229879936 in words is "two hundred twenty-nine million, eight hundred seventy-nine thousand, nine hundred thirty-six".