234780205 has 32 divisors (see below), whose sum is σ = 331112448. Its totient is φ = 158030400.

The previous prime is 234780199. The next prime is 234780229. The reversal of 234780205 is 502087432.

It is not a de Polignac number, because 234780205 - 2³ = 234780197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36222 + ... + 42208.

It is an arithmetic number, because the mean of its divisors is an integer number (10347264).

Almost surely, 2^234780205 is an apocalyptic number.

It is an amenable number.

234780205 is a deficient number, since it is larger than the sum of its proper divisors (96332243).

234780205 is a wasteful number, since it uses less digits than its factorization.

234780205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 234780205 is about 15322.5391172612. The cubic root of 234780205 is about 616.9081283126.

The spelling of 234780205 in words is "two hundred thirty-four million, seven hundred eighty thousand, two hundred five".