228376593 has 12 divisors (see below), whose sum is σ = 330532020. Its totient is φ = 151948896.

The previous prime is 228376571. The next prime is 228376651. The reversal of 228376593 is 395673822.

228376593 is a `hidden beast` number, since 2 + 28 + 37 + 6 + 593 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110502144 + 117874449 = 10512^2 + 10857^2 .

It is not a de Polignac number, because 228376593 - 2²² = 224182289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228376513) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20346 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (27544335).

Almost surely, 2^228376593 is an apocalyptic number.

It is an amenable number.

228376593 is a deficient number, since it is larger than the sum of its proper divisors (102155427).

228376593 is a wasteful number, since it uses less digits than its factorization.

228376593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50368 (or 50365 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 228376593 is about 15112.1339657905. The cubic root of 228376593 is about 611.2476417288.

The spelling of 228376593 in words is "two hundred twenty-eight million, three hundred seventy-six thousand, five hundred ninety-three".