238837093 has 16 divisors (see below), whose sum is σ = 270300096. Its totient is φ = 209139840.

The previous prime is 238837073. The next prime is 238837117. The reversal of 238837093 is 390738832.

It is a cyclic number.

It is not a de Polignac number, because 238837093 - 2²¹ = 236739941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238837003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31071 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (16893756).

Almost surely, 2^238837093 is an apocalyptic number.

It is an amenable number.

238837093 is a deficient number, since it is larger than the sum of its proper divisors (31463003).

238837093 is a wasteful number, since it uses less digits than its factorization.

238837093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 238837093 is about 15454.3551466892. The cubic root of 238837093 is about 620.4411471887.

It can be divided in two parts, 23883 and 7093, that added together give a square (30976 = 176²).

The spelling of 238837093 in words is "two hundred thirty-eight million, eight hundred thirty-seven thousand, ninety-three".