238323490 has 16 divisors (see below), whose sum is σ = 429186240. Its totient is φ = 95284080.

The previous prime is 238323473. The next prime is 238323551. The reversal of 238323490 is 94323832.

It is an alternating number because its digits alternate between even and odd.

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, 23641 + ... + 32179.

It is an arithmetic number, because the mean of its divisors is an integer number (26824140).

Almost surely, 2^238323490 is an apocalyptic number.

238323490 is a deficient number, since it is larger than the sum of its proper divisors (190862750).

238323490 is a wasteful number, since it uses less digits than its factorization.

238323490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11337.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 238323490 is about 15437.7294314935. The cubic root of 238323490 is about 619.9960891186.

The spelling of 238323490 in words is "two hundred thirty-eight million, three hundred twenty-three thousand, four hundred ninety".