238393974 has 64 divisors (see below), whose sum is σ = 591284736. Its totient is φ = 62394624.

The previous prime is 238393963. The next prime is 238393979. The reversal of 238393974 is 479393832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238393979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73209 + ... + 76395.

It is an arithmetic number, because the mean of its divisors is an integer number (9238824).

Almost surely, 2^238393974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238393974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295642368).

238393974 is an abundant number, since it is smaller than the sum of its proper divisors (352890762).

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

238393974 is a wasteful number, since it uses less digits than its factorization.

238393974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its digits is 979776, while the sum is 48.

The square root of 238393974 is about 15440.0121113942. The cubic root of 238393974 is about 620.0572042259.

The spelling of 238393974 in words is "two hundred thirty-eight million, three hundred ninety-three thousand, nine hundred seventy-four".