228727983 has 16 divisors (see below), whose sum is σ = 333582336. Its totient is φ = 138253440.

The previous prime is 228727973. The next prime is 228727987. The reversal of 228727983 is 389727822.

It is not a de Polignac number, because 228727983 - 2¹⁷ = 228596911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228727987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (20848896).

Almost surely, 2^228727983 is an apocalyptic number.

228727983 is a deficient number, since it is larger than the sum of its proper divisors (104854353).

228727983 is a wasteful number, since it uses less digits than its factorization.

228727983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494.

The product of its digits is 677376, while the sum is 48.

The square root of 228727983 is about 15123.7555851713. The cubic root of 228727983 is about 611.5609783398.

The spelling of 228727983 in words is "two hundred twenty-eight million, seven hundred twenty-seven thousand, nine hundred eighty-three".