538383890 has 32 divisors (see below), whose sum is σ = 1058158080. Its totient is φ = 195596800.

The previous prime is 538383883. The next prime is 538383907. The reversal of 538383890 is 98383835.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206495 + ... + 209085.

It is an arithmetic number, because the mean of its divisors is an integer number (33067440).

Almost surely, 2^538383890 is an apocalyptic number.

538383890 is a deficient number, since it is larger than the sum of its proper divisors (519774190).

538383890 is a wasteful number, since it uses less digits than its factorization.

538383890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 538383890 is about 23203.1008703578. The cubic root of 538383890 is about 813.5121033102.

The spelling of 538383890 in words is "five hundred thirty-eight million, three hundred eighty-three thousand, eight hundred ninety".