239473420 has 24 divisors (see below), whose sum is σ = 503502048. Its totient is φ = 95673600.

The previous prime is 239473417. The next prime is 239473427. The reversal of 239473420 is 24374932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (239473427) 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, 10825 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (20979252).

Almost surely, 2^239473420 is an apocalyptic number.

239473420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239473420 is an abundant number, since it is smaller than the sum of its proper divisors (264028628).

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

239473420 is a wasteful number, since it uses less digits than its factorization.

239473420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14479 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 239473420 is about 15474.9287558942. The cubic root of 239473420 is about 620.9916665764.

The spelling of 239473420 in words is "two hundred thirty-nine million, four hundred seventy-three thousand, four hundred twenty".