231935740 has 12 divisors (see below), whose sum is σ = 487065096. Its totient is φ = 92774288.

The previous prime is 231935723. The next prime is 231935761. The reversal of 231935740 is 47539132.

It is a junction number, because it is equal to n+sod(n) for n = 231935696 and 231935705.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5798374 + ... + 5798413.

It is an arithmetic number, because the mean of its divisors is an integer number (40588758).

Almost surely, 2^231935740 is an apocalyptic number.

231935740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231935740 is an abundant number, since it is smaller than the sum of its proper divisors (255129356).

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

231935740 is a wasteful number, since it uses less digits than its factorization.

231935740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596796 (or 11596794 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 231935740 is about 15229.4366277942. The cubic root of 231935740 is about 614.4066279791.

The spelling of 231935740 in words is "two hundred thirty-one million, nine hundred thirty-five thousand, seven hundred forty".