238916061 has 20 divisors (see below), whose sum is σ = 365609244. Its totient is φ = 155390400.

The previous prime is 238916057. The next prime is 238916063. The reversal of 238916061 is 160619832.

It can be written as a sum of positive squares in 2 ways, for example, as 23707161 + 215208900 = 4869^2 + 14670^2 .

It is not a de Polignac number, because 238916061 - 2² = 238916057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238916063) 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 19 ways as a sum of consecutive naturals, for example, 32650 + ... + 39291.

Almost surely, 2^238916061 is an apocalyptic number.

It is an amenable number.

238916061 is a deficient number, since it is larger than the sum of its proper divisors (126693183).

238916061 is an equidigital number, since it uses as much as digits as its factorization.

238916061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71994 (or 71985 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 238916061 is about 15456.9098140605. The cubic root of 238916061 is about 620.5095195913.

The spelling of 238916061 in words is "two hundred thirty-eight million, nine hundred sixteen thousand, sixty-one".