238120994 has 4 divisors (see below), whose sum is σ = 357181494. Its totient is φ = 119060496.

The previous prime is 238120979. The next prime is 238120999. The reversal of 238120994 is 499021832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205779025 + 32341969 = 14345^2 + 5687^2 .

It is not an unprimeable number, because it can be changed into a prime (238120999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59530247 + ... + 59530250.

Almost surely, 2^238120994 is an apocalyptic number.

238120994 is a deficient number, since it is larger than the sum of its proper divisors (119060500).

238120994 is a wasteful number, since it uses less digits than its factorization.

238120994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119060499.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 238120994 is about 15431.1695603412. The cubic root of 238120994 is about 619.8204422802.

The spelling of 238120994 in words is "two hundred thirty-eight million, one hundred twenty thousand, nine hundred ninety-four".