974128238 has 8 divisors (see below), whose sum is σ = 1463562432. Its totient is φ = 486274096.

The previous prime is 974128219. The next prime is 974128247. The reversal of 974128238 is 832821479.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393470 + ... + 395937.

It is an arithmetic number, because the mean of its divisors is an integer number (182945304).

Almost surely, 2^974128238 is an apocalyptic number.

974128238 is a deficient number, since it is larger than the sum of its proper divisors (489434194).

974128238 is a wasteful number, since it uses less digits than its factorization.

974128238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790026.

The product of its digits is 193536, while the sum is 44.

The square root of 974128238 is about 31211.0275063158. The cubic root of 974128238 is about 991.3006195675.

The spelling of 974128238 in words is "nine hundred seventy-four million, one hundred twenty-eight thousand, two hundred thirty-eight".