228929004 has 120 divisors (see below), whose sum is σ = 642161520. Its totient is φ = 70861824.

The previous prime is 228928957. The next prime is 228929011. The reversal of 228929004 is 400929822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 228929004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 489979 + ... + 490445.

It is an arithmetic number, because the mean of its divisors is an integer number (5351346).

Almost surely, 2^228929004 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 228929004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321080760).

228929004 is an abundant number, since it is smaller than the sum of its proper divisors (413232516).

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

228929004 is a wasteful number, since it uses less digits than its factorization.

228929004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 228929004 is about 15130.3999947126. The cubic root of 228929004 is about 611.7400857094.

The spelling of 228929004 in words is "two hundred twenty-eight million, nine hundred twenty-nine thousand, four".