238097998 has 4 divisors (see below), whose sum is σ = 357147000. Its totient is φ = 119048998.

The previous prime is 238097983. The next prime is 238097999. The reversal of 238097998 is 899790832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238097999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59524498 + ... + 59524501.

It is an arithmetic number, because the mean of its divisors is an integer number (89286750).

Almost surely, 2^238097998 is an apocalyptic number.

238097998 is a deficient number, since it is larger than the sum of its proper divisors (119049002).

238097998 is a wasteful number, since it uses less digits than its factorization.

238097998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119049001.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 238097998 is about 15430.4244270856. The cubic root of 238097998 is about 619.8004890490.

The spelling of 238097998 in words is "two hundred thirty-eight million, ninety-seven thousand, nine hundred ninety-eight".