238239456 has 96 divisors (see below), whose sum is σ = 769724928. Its totient is φ = 62830080.

The previous prime is 238239409. The next prime is 238239481. The reversal of 238239456 is 654932832.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4900 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (8017968).

Almost surely, 2^238239456 is an apocalyptic number.

238239456 is a gapful number since it is divisible by the number (26) 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 238239456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384862464).

238239456 is an abundant number, since it is smaller than the sum of its proper divisors (531485472).

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

238239456 is a wasteful number, since it uses less digits than its factorization.

238239456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27304 (or 27296 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 238239456 is about 15435.0074829914. The cubic root of 238239456 is about 619.9232093587.

The spelling of 238239456 in words is "two hundred thirty-eight million, two hundred thirty-nine thousand, four hundred fifty-six".