538794418 has 4 divisors (see below), whose sum is σ = 808191630. Its totient is φ = 269397208.

The previous prime is 538794401. The next prime is 538794437. The reversal of 538794418 is 814497835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 507736089 + 31058329 = 22533^2 + 5573^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 134698603 + ... + 134698606.

Almost surely, 2^538794418 is an apocalyptic number.

538794418 is a deficient number, since it is larger than the sum of its proper divisors (269397212).

538794418 is a wasteful number, since it uses less digits than its factorization.

538794418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269397211.

The product of its digits is 967680, while the sum is 49.

The square root of 538794418 is about 23211.9455884249. The cubic root of 538794418 is about 813.7188236157.

The spelling of 538794418 in words is "five hundred thirty-eight million, seven hundred ninety-four thousand, four hundred eighteen".