228831406 has 8 divisors (see below), whose sum is σ = 343488024. Its totient is φ = 114335400.

The previous prime is 228831389. The next prime is 228831409. The reversal of 228831406 is 604138822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228831409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36525 + ... + 42328.

It is an arithmetic number, because the mean of its divisors is an integer number (42936003).

Almost surely, 2^228831406 is an apocalyptic number.

228831406 is a deficient number, since it is larger than the sum of its proper divisors (114656618).

228831406 is a wasteful number, since it uses less digits than its factorization.

228831406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80306.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 228831406 is about 15127.1744222112. The cubic root of 228831406 is about 611.6531401289.

The spelling of 228831406 in words is "two hundred twenty-eight million, eight hundred thirty-one thousand, four hundred six".