538843007 has 4 divisors (see below), whose sum is σ = 538889856. Its totient is φ = 538796160.

The previous prime is 538842989. The next prime is 538843009. The reversal of 538843007 is 700348835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 538843007 - 2⁶ = 538842943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538843009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7007 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (134722464).

Almost surely, 2^538843007 is an apocalyptic number.

538843007 is a deficient number, since it is larger than the sum of its proper divisors (46849).

538843007 is a wasteful number, since it uses less digits than its factorization.

538843007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46848.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 538843007 is about 23212.9922026438. The cubic root of 538843007 is about 813.7432835297.

The spelling of 538843007 in words is "five hundred thirty-eight million, eight hundred forty-three thousand, seven".