238673825 has 12 divisors (see below), whose sum is σ = 318721788. Its totient is φ = 176251200.

The previous prime is 238673819. The next prime is 238673843. The reversal of 238673825 is 528376832.

It can be written as a sum of positive squares in 6 ways, for example, as 1236544 + 237437281 = 1112^2 + 15409^2 .

It is not a de Polignac number, because 238673825 - 2²⁰ = 237625249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 366866 + ... + 367515.

It is an arithmetic number, because the mean of its divisors is an integer number (26560149).

Almost surely, 2^238673825 is an apocalyptic number.

238673825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238673825 is a deficient number, since it is larger than the sum of its proper divisors (80047963).

238673825 is a wasteful number, since it uses less digits than its factorization.

238673825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734404 (or 734399 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 238673825 is about 15449.0719786012. The cubic root of 238673825 is about 620.2997380032.

The spelling of 238673825 in words is "two hundred thirty-eight million, six hundred seventy-three thousand, eight hundred twenty-five".