238736667 has 12 divisors (see below), whose sum is σ = 344685624. Its totient is φ = 146914560.

The previous prime is 238736639. The next prime is 238736669. The reversal of 238736667 is 766637832.

It is not a de Polignac number, because 238736667 - 2⁸ = 238736411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238736669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234934 + ... + 235947.

It is an arithmetic number, because the mean of its divisors is an integer number (28723802).

Almost surely, 2^238736667 is an apocalyptic number.

238736667 is a deficient number, since it is larger than the sum of its proper divisors (105948957).

238736667 is a wasteful number, since it uses less digits than its factorization.

238736667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470910 (or 470897 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 48.

The square root of 238736667 is about 15451.1056885907. The cubic root of 238736667 is about 620.3541741575.

The spelling of 238736667 in words is "two hundred thirty-eight million, seven hundred thirty-six thousand, six hundred sixty-seven".