538942274 has 8 divisors (see below), whose sum is σ = 870599100. Its totient is φ = 248742576.

The previous prime is 538942267. The next prime is 538942291. The reversal of 538942274 is 472249835.

It can be written as a sum of positive squares in 2 ways, for example, as 531625249 + 7317025 = 23057^2 + 2705^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10364249 + ... + 10364300.

Almost surely, 2^538942274 is an apocalyptic number.

538942274 is a deficient number, since it is larger than the sum of its proper divisors (331656826).

538942274 is a wasteful number, since it uses less digits than its factorization.

538942274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20728564.

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

The square root of 538942274 is about 23215.1302817796. The cubic root of 538942274 is about 813.7932503992.

The spelling of 538942274 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, two hundred seventy-four".