230606405 has 24 divisors (see below), whose sum is σ = 289165032. Its totient is φ = 176535296.

The previous prime is 230606399. The next prime is 230606417. The reversal of 230606405 is 504606032.

It can be written as a sum of positive squares in 12 ways, for example, as 47761921 + 182844484 = 6911^2 + 13522^2 .

It is not a de Polignac number, because 230606405 - 2⁸ = 230606149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727307 + ... + 727623.

It is an arithmetic number, because the mean of its divisors is an integer number (12048543).

Almost surely, 2^230606405 is an apocalyptic number.

It is an amenable number.

230606405 is a deficient number, since it is larger than the sum of its proper divisors (58558627).

230606405 is a wasteful number, since it uses less digits than its factorization.

230606405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 230606405 is about 15185.7303084178. The cubic root of 230606405 is about 613.2305585183.

The spelling of 230606405 in words is "two hundred thirty million, six hundred six thousand, four hundred five".