238917994 has 16 divisors (see below), whose sum is σ = 411173568. Its totient is φ = 101993472.

The previous prime is 238917971. The next prime is 238918003. The reversal of 238917994 is 499719832.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29604 + ... + 36799.

It is an arithmetic number, because the mean of its divisors is an integer number (25698348).

Almost surely, 2^238917994 is an apocalyptic number.

238917994 is a deficient number, since it is larger than the sum of its proper divisors (172255574).

238917994 is a wasteful number, since it uses less digits than its factorization.

238917994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66669.

The product of its digits is 979776, while the sum is 52.

The square root of 238917994 is about 15456.9723426032. The cubic root of 238917994 is about 620.5111930405.

The spelling of 238917994 in words is "two hundred thirty-eight million, nine hundred seventeen thousand, nine hundred ninety-four".