234186240 has 80 divisors (see below), whose sum is σ = 748688688. Its totient is φ = 62447616.

The previous prime is 234186233. The next prime is 234186241. The reversal of 234186240 is 42681432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 234186198 and 234186207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234186241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7567 + ... + 22926.

Almost surely, 2^234186240 is an apocalyptic number.

234186240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234186240 is an abundant number, since it is smaller than the sum of its proper divisors (514502448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234186240 is an equidigital number, since it uses as much as digits as its factorization.

234186240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30519 (or 30503 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 234186240 is about 15303.1447748494. The cubic root of 234186240 is about 616.3874551264.

The spelling of 234186240 in words is "two hundred thirty-four million, one hundred eighty-six thousand, two hundred forty".