234870009 has 16 divisors (see below), whose sum is σ = 342902784. Its totient is φ = 141814800.

The previous prime is 234869941. The next prime is 234870019. The reversal of 234870009 is 900078432.

It is not a de Polignac number, because 234870009 - 2⁷ = 234869881 is a prime.

It is a super-2 number, since 2×234870009² = 110327842255320162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (234870019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4189 + ... + 22074.

It is an arithmetic number, because the mean of its divisors is an integer number (21431424).

Almost surely, 2^234870009 is an apocalyptic number.

It is an amenable number.

234870009 is a deficient number, since it is larger than the sum of its proper divisors (108032775).

234870009 is a wasteful number, since it uses less digits than its factorization.

234870009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26548.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 234870009 is about 15325.4692913464. The cubic root of 234870009 is about 616.9867745730.

The spelling of 234870009 in words is "two hundred thirty-four million, eight hundred seventy thousand, nine".