230736940 has 96 divisors (see below), whose sum is σ = 569286144. Its totient is φ = 76930560.

The previous prime is 230736917. The next prime is 230736973. The reversal of 230736940 is 49637032.

It is a junction number, because it is equal to n+sod(n) for n = 230736896 and 230736905.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1093435 + ... + 1093645.

It is an arithmetic number, because the mean of its divisors is an integer number (5930064).

Almost surely, 2^230736940 is an apocalyptic number.

230736940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230736940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284643072).

230736940 is an abundant number, since it is smaller than the sum of its proper divisors (338549204).

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

230736940 is a wasteful number, since it uses less digits than its factorization.

230736940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 230736940 is about 15190.0276497444. The cubic root of 230736940 is about 613.3462432958.

The spelling of 230736940 in words is "two hundred thirty million, seven hundred thirty-six thousand, nine hundred forty".