239421054 has 8 divisors (see below), whose sum is σ = 478842120. Its totient is φ = 79807016.

The previous prime is 239421037. The next prime is 239421059. The reversal of 239421054 is 450124932.

It is a sphenic number, since it is the product of 3 distinct primes.

239421054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239421059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19951749 + ... + 19951760.

It is an arithmetic number, because the mean of its divisors is an integer number (59855265).

Almost surely, 2^239421054 is an apocalyptic number.

239421054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

239421054 is a wasteful number, since it uses less digits than its factorization.

239421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39903514.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 239421054 is about 15473.2367008328. The cubic root of 239421054 is about 620.9463988940.

Adding to 239421054 its reverse (450124932), we get a palindrome (689545986).

The spelling of 239421054 in words is "two hundred thirty-nine million, four hundred twenty-one thousand, fifty-four".