238813408 has 12 divisors (see below), whose sum is σ = 470163960. Its totient is φ = 119406688.

The previous prime is 238813403. The next prime is 238813411. The reversal of 238813408 is 804318832.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238813403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3731428 + ... + 3731491.

It is an arithmetic number, because the mean of its divisors is an integer number (39180330).

Almost surely, 2^238813408 is an apocalyptic number.

It is an amenable number.

238813408 is a deficient number, since it is larger than the sum of its proper divisors (231350552).

238813408 is an equidigital number, since it uses as much as digits as its factorization.

238813408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462929 (or 7462921 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 238813408 is about 15453.5888388426. The cubic root of 238813408 is about 620.4206372054.

The spelling of 238813408 in words is "two hundred thirty-eight million, eight hundred thirteen thousand, four hundred eight".