538226765 has 8 divisors (see below), whose sum is σ = 650519520. Its totient is φ = 427483152.

The previous prime is 538226719. The next prime is 538226771. The reversal of 538226765 is 567622835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538226765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386519 + ... + 387908.

It is an arithmetic number, because the mean of its divisors is an integer number (81314940).

Almost surely, 2^538226765 is an apocalyptic number.

It is an amenable number.

538226765 is a deficient number, since it is larger than the sum of its proper divisors (112292755).

538226765 is a wasteful number, since it uses less digits than its factorization.

538226765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774571.

The product of its digits is 604800, while the sum is 44.

The square root of 538226765 is about 23199.7147611776. The cubic root of 538226765 is about 813.4329556186.

The spelling of 538226765 in words is "five hundred thirty-eight million, two hundred twenty-six thousand, seven hundred sixty-five".