238792489 has 16 divisors (see below), whose sum is σ = 276369408. Its totient is φ = 204348672.

The previous prime is 238792483. The next prime is 238792493. The reversal of 238792489 is 984297832.

It is a cyclic number.

It is not a de Polignac number, because 238792489 - 2³ = 238792481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238792481) 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 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 22870.

It is an arithmetic number, because the mean of its divisors is an integer number (17273088).

Almost surely, 2^238792489 is an apocalyptic number.

It is an amenable number.

238792489 is a deficient number, since it is larger than the sum of its proper divisors (37576919).

238792489 is a wasteful number, since it uses less digits than its factorization.

238792489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224.

The product of its digits is 1741824, while the sum is 52.

The square root of 238792489 is about 15452.9119909485. The cubic root of 238792489 is about 620.4025213070.

The spelling of 238792489 in words is "two hundred thirty-eight million, seven hundred ninety-two thousand, four hundred eighty-nine".