228609696 has 144 divisors (see below), whose sum is σ = 728771904. Its totient is φ = 62447616.

The previous prime is 228609677. The next prime is 228609701. The reversal of 228609696 is 696906822.

228609696 = T₃₉₁ + T₃₉₂ + ... + T₁₁₂₆.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107136 + ... + 109248.

It is an arithmetic number, because the mean of its divisors is an integer number (5060916).

Almost surely, 2^228609696 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 228609696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364385952).

228609696 is an abundant number, since it is smaller than the sum of its proper divisors (500162208).

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

228609696 is a wasteful number, since it uses less digits than its factorization.

228609696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 228609696 is about 15119.8444436443. The cubic root of 228609696 is about 611.4555369530.

The spelling of 228609696 in words is "two hundred twenty-eight million, six hundred nine thousand, six hundred ninety-six".