205411238 has 8 divisors (see below), whose sum is σ = 326241432. Its totient is φ = 96664096.

The previous prime is 205411231. The next prime is 205411247. The reversal of 205411238 is 832114502.

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 (205411231) 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, 3020720 + ... + 3020787.

It is an arithmetic number, because the mean of its divisors is an integer number (40780179).

Almost surely, 2^205411238 is an apocalyptic number.

205411238 is a deficient number, since it is larger than the sum of its proper divisors (120830194).

205411238 is a wasteful number, since it uses less digits than its factorization.

205411238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041526.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 205411238 is about 14332.1749221812. The cubic root of 205411238 is about 590.0308688244.

The spelling of 205411238 in words is "two hundred five million, four hundred eleven thousand, two hundred thirty-eight".