238903994 has 8 divisors (see below), whose sum is σ = 409549728. Its totient is φ = 102387420.

The previous prime is 238903993. The next prime is 238904033. The reversal of 238903994 is 499309832.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238903991) 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, 8532272 + ... + 8532299.

It is an arithmetic number, because the mean of its divisors is an integer number (51193716).

Almost surely, 2^238903994 is an apocalyptic number.

238903994 is a deficient number, since it is larger than the sum of its proper divisors (170645734).

238903994 is a wasteful number, since it uses less digits than its factorization.

238903994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17064580.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 238903994 is about 15456.5194659082. The cubic root of 238903994 is about 620.4990726664.

The spelling of 238903994 in words is "two hundred thirty-eight million, nine hundred three thousand, nine hundred ninety-four".