209467234 has 16 divisors (see below), whose sum is σ = 333458208. Its totient is φ = 98343232.

The previous prime is 209467213. The next prime is 209467283. The reversal of 209467234 is 432764902.

It is a super-2 number, since 2×209467234² = 87753044239221512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 209467193 and 209467202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8109 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (20841138).

Almost surely, 2^209467234 is an apocalyptic number.

209467234 is a deficient number, since it is larger than the sum of its proper divisors (123990974).

209467234 is a wasteful number, since it uses less digits than its factorization.

209467234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14369.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 209467234 is about 14472.9828991815. The cubic root of 209467234 is about 593.8891157092.

The spelling of 209467234 in words is "two hundred nine million, four hundred sixty-seven thousand, two hundred thirty-four".