229638704 has 40 divisors (see below), whose sum is σ = 471532320. Its totient is φ = 108147200.

The previous prime is 229638697. The next prime is 229638743. The reversal of 229638704 is 407836922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989 + ... + 25059.

It is an arithmetic number, because the mean of its divisors is an integer number (11788308).

Almost surely, 2^229638704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229638704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235766160).

229638704 is an abundant number, since it is smaller than the sum of its proper divisors (241893616).

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

229638704 is a wasteful number, since it uses less digits than its factorization.

229638704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149 (or 12143 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 229638704 is about 15153.8346302182. The cubic root of 229638704 is about 612.3715829071.

The spelling of 229638704 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, seven hundred four".