538605897 has 8 divisors (see below), whose sum is σ = 720099456. Its totient is φ = 358091472.

The previous prime is 538605877. The next prime is 538605911. The reversal of 538605897 is 798506835.

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

It is not a de Polignac number, because 538605897 - 2⁶ = 538605833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538605827) 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, 243498 + ... + 245699.

It is an arithmetic number, because the mean of its divisors is an integer number (90012432).

Almost surely, 2^538605897 is an apocalyptic number.

It is an amenable number.

538605897 is a deficient number, since it is larger than the sum of its proper divisors (181493559).

538605897 is a wasteful number, since it uses less digits than its factorization.

538605897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489567.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 538605897 is about 23207.8843714803. The cubic root of 538605897 is about 813.6239074001.

The spelling of 538605897 in words is "five hundred thirty-eight million, six hundred five thousand, eight hundred ninety-seven".