213973234 has 8 divisors (see below), whose sum is σ = 327788928. Its totient is φ = 104710260.

The previous prime is 213973229. The next prime is 213973241. The reversal of 213973234 is 432379312.

213973234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213973234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138062 + ... + 1138249.

It is an arithmetic number, because the mean of its divisors is an integer number (40973616).

Almost surely, 2^213973234 is an apocalyptic number.

213973234 is a deficient number, since it is larger than the sum of its proper divisors (113815694).

213973234 is a wasteful number, since it uses less digits than its factorization.

213973234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276360.

The product of its digits is 27216, while the sum is 34.

The square root of 213973234 is about 14627.8239666739. The cubic root of 213973234 is about 598.1174644252.

The spelling of 213973234 in words is "two hundred thirteen million, nine hundred seventy-three thousand, two hundred thirty-four".