238406151 has 8 divisors (see below), whose sum is σ = 328129024. Its totient is φ = 153810360.

The previous prime is 238406131. The next prime is 238406159. The reversal of 238406151 is 151604832.

238406151 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 not a de Polignac number, because 238406151 - 2⁶ = 238406087 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 (238406159) 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, 1281661 + ... + 1281846.

It is an arithmetic number, because the mean of its divisors is an integer number (41016128).

Almost surely, 2^238406151 is an apocalyptic number.

238406151 is a deficient number, since it is larger than the sum of its proper divisors (89722873).

238406151 is a wasteful number, since it uses less digits than its factorization.

238406151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563541.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 238406151 is about 15440.4064389510. The cubic root of 238406151 is about 620.0677614111.

The spelling of 238406151 in words is "two hundred thirty-eight million, four hundred six thousand, one hundred fifty-one".