228764 has 6 divisors (see below), whose sum is σ = 400344. Its totient is φ = 114380.

The previous prime is 228757. The next prime is 228773. The reversal of 228764 is 467822.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228764.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28592 + ... + 28599.

It is an arithmetic number, because the mean of its divisors is an integer number (66724).

2²²⁸⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

228764 is a deficient number, since it is larger than the sum of its proper divisors (171580).

228764 is a wasteful number, since it uses less digits than its factorization.

228764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57195 (or 57193 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 228764 is about 478.2927973533. The cubic root of 228764 is about 61.1593076782.

The spelling of 228764 in words is "two hundred twenty-eight thousand, seven hundred sixty-four".