238746261 has 16 divisors (see below), whose sum is σ = 345289280. Its totient is φ = 145860480.

The previous prime is 238746257. The next prime is 238746271. The reversal of 238746261 is 162647832.

It is a happy number.

It is not a de Polignac number, because 238746261 - 2² = 238746257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238746271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16600 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (21580580).

Almost surely, 2^238746261 is an apocalyptic number.

It is an amenable number.

238746261 is a deficient number, since it is larger than the sum of its proper divisors (106543019).

238746261 is a wasteful number, since it uses less digits than its factorization.

238746261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44196.

The product of its digits is 96768, while the sum is 39.

The square root of 238746261 is about 15451.4161486901. The cubic root of 238746261 is about 620.3624840082.

It can be divided in two parts, 23874 and 6261, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 238746261 in words is "two hundred thirty-eight million, seven hundred forty-six thousand, two hundred sixty-one".