238041661 has 8 divisors (see below), whose sum is σ = 279657504. Its totient is φ = 199755120.

The previous prime is 238041659. The next prime is 238041691. The reversal of 238041661 is 166140832.

It is a happy number.

238041661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 238041661 - 2¹ = 238041659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238041641) 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, 832171 + ... + 832456.

It is an arithmetic number, because the mean of its divisors is an integer number (34957188).

Almost surely, 2^238041661 is an apocalyptic number.

It is an amenable number.

238041661 is a deficient number, since it is larger than the sum of its proper divisors (41615843).

238041661 is a wasteful number, since it uses less digits than its factorization.

238041661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664651.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 238041661 is about 15428.5988022244. The cubic root of 238041661 is about 619.7516009794.

The spelling of 238041661 in words is "two hundred thirty-eight million, forty-one thousand, six hundred sixty-one".