538010638 has 16 divisors (see below), whose sum is σ = 889101360. Its totient is φ = 242128000.

The previous prime is 538010633. The next prime is 538010647. The reversal of 538010638 is 836010835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538010633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118843 + ... + 123286.

It is an arithmetic number, because the mean of its divisors is an integer number (55568835).

Almost surely, 2^538010638 is an apocalyptic number.

538010638 is a deficient number, since it is larger than the sum of its proper divisors (351090722).

538010638 is a wasteful number, since it uses less digits than its factorization.

538010638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242243.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 538010638 is about 23195.0563267262. The cubic root of 538010638 is about 813.3240620117.

The spelling of 538010638 in words is "five hundred thirty-eight million, ten thousand, six hundred thirty-eight".