538332785 has 8 divisors (see below), whose sum is σ = 647183616. Its totient is φ = 429876720.

The previous prime is 538332749. The next prime is 538332793. The reversal of 538332785 is 587233835.

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

It is not a de Polignac number, because 538332785 - 2²² = 534138481 is a prime.

It is a Duffinian 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, 95681 + ... + 101150.

It is an arithmetic number, because the mean of its divisors is an integer number (80897952).

Almost surely, 2^538332785 is an apocalyptic number.

It is an amenable number.

538332785 is a deficient number, since it is larger than the sum of its proper divisors (108850831).

538332785 is a wasteful number, since it uses less digits than its factorization.

538332785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197383.

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

The square root of 538332785 is about 23201.9995905525. Note that the first 3 decimals coincide. The cubic root of 538332785 is about 813.4863621663.

The spelling of 538332785 in words is "five hundred thirty-eight million, three hundred thirty-two thousand, seven hundred eighty-five".