238999245 has 8 divisors (see below), whose sum is σ = 382398816. Its totient is φ = 127466256.

The previous prime is 238999223. The next prime is 238999249. The reversal of 238999245 is 542999832.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238999245 - 2⁵ = 238999213 is a prime.

It is a super-2 number, since 2×238999245² = 114241278221140050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238999249) 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, 7966627 + ... + 7966656.

It is an arithmetic number, because the mean of its divisors is an integer number (47799852).

Almost surely, 2^238999245 is an apocalyptic number.

It is an amenable number.

238999245 is a deficient number, since it is larger than the sum of its proper divisors (143399571).

238999245 is a wasteful number, since it uses less digits than its factorization.

238999245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933291.

The product of its digits is 1399680, while the sum is 51.

The square root of 238999245 is about 15459.6004152759. The cubic root of 238999245 is about 620.5815260167.

The spelling of 238999245 in words is "two hundred thirty-eight million, nine hundred ninety-nine thousand, two hundred forty-five".