538365830 has 16 divisors (see below), whose sum is σ = 1011191904. Its totient is φ = 205983360.

The previous prime is 538365829. The next prime is 538365833. The reversal of 538365830 is 38563835.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538365833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1170131 + ... + 1170590.

It is an arithmetic number, because the mean of its divisors is an integer number (63199494).

Almost surely, 2^538365830 is an apocalyptic number.

538365830 is a deficient number, since it is larger than the sum of its proper divisors (472826074).

538365830 is a wasteful number, since it uses less digits than its factorization.

538365830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340751.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 538365830 is about 23202.7116949722. The cubic root of 538365830 is about 813.5030068314.

The spelling of 538365830 in words is "five hundred thirty-eight million, three hundred sixty-five thousand, eight hundred thirty".