238747069 has 4 divisors (see below), whose sum is σ = 260451360. Its totient is φ = 217042780.

The previous prime is 238747057. The next prime is 238747073. The reversal of 238747069 is 960747832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238747069 - 2⁷ = 238746941 is a prime.

It is a super-2 number, since 2×238747069² = 114000325912181522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238747009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10852129 + ... + 10852150.

It is an arithmetic number, because the mean of its divisors is an integer number (65112840).

Almost surely, 2^238747069 is an apocalyptic number.

It is an amenable number.

238747069 is a deficient number, since it is larger than the sum of its proper divisors (21704291).

238747069 is a wasteful number, since it uses less digits than its factorization.

238747069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704290.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 238747069 is about 15451.4422951387. The cubic root of 238747069 is about 620.3631838479.

The spelling of 238747069 in words is "two hundred thirty-eight million, seven hundred forty-seven thousand, sixty-nine".