239993620 has 12 divisors (see below), whose sum is σ = 503986644. Its totient is φ = 95997440.

The previous prime is 239993597. The next prime is 239993627. The reversal of 239993620 is 26399932.

It can be written as a sum of positive squares in 2 ways, for example, as 156600196 + 83393424 = 12514^2 + 9132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239993627) 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 3 ways as a sum of consecutive naturals, for example, 5999821 + ... + 5999860.

It is an arithmetic number, because the mean of its divisors is an integer number (41998887).

Almost surely, 2^239993620 is an apocalyptic number.

239993620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239993620 is an abundant number, since it is smaller than the sum of its proper divisors (263993024).

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

239993620 is a wasteful number, since it uses less digits than its factorization.

239993620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11999690 (or 11999688 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 239993620 is about 15491.7274698466. The cubic root of 239993620 is about 621.4409944355.

The spelling of 239993620 in words is "two hundred thirty-nine million, nine hundred ninety-three thousand, six hundred twenty".