238019961 has 8 divisors (see below), whose sum is σ = 317524480. Its totient is φ = 158597712.

The previous prime is 238019869. The next prime is 238019963. The reversal of 238019961 is 169910832.

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

It is not a de Polignac number, because 238019961 - 2¹⁵ = 237987193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238019963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13465 + ... + 25638.

It is an arithmetic number, because the mean of its divisors is an integer number (39690560).

Almost surely, 2^238019961 is an apocalyptic number.

It is an amenable number.

238019961 is a deficient number, since it is larger than the sum of its proper divisors (79504519).

238019961 is a wasteful number, since it uses less digits than its factorization.

238019961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41135.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 238019961 is about 15427.8955467037. The cubic root of 238019961 is about 619.7327681158.

The spelling of 238019961 in words is "two hundred thirty-eight million, nineteen thousand, nine hundred sixty-one".