234661240 has 32 divisors (see below), whose sum is σ = 575987760. Its totient is φ = 85331200.

The previous prime is 234661211. The next prime is 234661241. The reversal of 234661240 is 42166432.

It is a junction number, because it is equal to n+sod(n) for n = 234661199 and 234661208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234661241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266221 + ... + 267100.

Almost surely, 2^234661240 is an apocalyptic number.

234661240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234661240 is an abundant number, since it is smaller than the sum of its proper divisors (341326520).

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

234661240 is a wasteful number, since it uses less digits than its factorization.

234661240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533343 (or 533339 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 234661240 is about 15318.6565990625. The cubic root of 234661240 is about 616.8039132876.

The spelling of 234661240 in words is "two hundred thirty-four million, six hundred sixty-one thousand, two hundred forty".