538234786 has 16 divisors (see below), whose sum is σ = 813987000. Its totient is φ = 266911488.

The previous prime is 538234759. The next prime is 538234849. The reversal of 538234786 is 687432835.

It can be written as a sum of positive squares in 4 ways, for example, as 131446225 + 406788561 = 11465^2 + 20169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360730 + ... + 362218.

Almost surely, 2^538234786 is an apocalyptic number.

538234786 is a deficient number, since it is larger than the sum of its proper divisors (275752214).

538234786 is a wasteful number, since it uses less digits than its factorization.

538234786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853.

The product of its digits is 967680, while the sum is 46.

The square root of 538234786 is about 23199.8876290382. The cubic root of 538234786 is about 813.4369963649.

The spelling of 538234786 in words is "five hundred thirty-eight million, two hundred thirty-four thousand, seven hundred eighty-six".