234993440 has 48 divisors (see below), whose sum is σ = 605646720. Its totient is φ = 85451520.

The previous prime is 234993439. The next prime is 234993449. The reversal of 234993440 is 44399432.

It is a junction number, because it is equal to n+sod(n) for n = 234993394 and 234993403.

It is not an unprimeable number, because it can be changed into a prime (234993449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65000 + ... + 68519.

It is an arithmetic number, because the mean of its divisors is an integer number (12617640).

Almost surely, 2^234993440 is an apocalyptic number.

234993440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234993440 is an abundant number, since it is smaller than the sum of its proper divisors (370653280).

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

234993440 is a wasteful number, since it uses less digits than its factorization.

234993440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133545 (or 133537 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 234993440 is about 15329.4957516547. The cubic root of 234993440 is about 617.0948371252.

The spelling of 234993440 in words is "two hundred thirty-four million, nine hundred ninety-three thousand, four hundred forty".