539346881 has 8 divisors (see below), whose sum is σ = 541733760. Its totient is φ = 536965632.

The previous prime is 539346859. The next prime is 539346931. The reversal of 539346881 is 188643935.

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

It is a cyclic number.

It is not a de Polignac number, because 539346881 - 2²² = 535152577 is a prime.

It is a super-2 number, since 2×539346881² = 581790116088856322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539346581) 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, 413276 + ... + 414578.

It is an arithmetic number, because the mean of its divisors is an integer number (67716720).

Almost surely, 2^539346881 is an apocalyptic number.

It is an amenable number.

539346881 is a deficient number, since it is larger than the sum of its proper divisors (2386879).

539346881 is a wasteful number, since it uses less digits than its factorization.

539346881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 622080, while the sum is 47.

The square root of 539346881 is about 23223.8429421145. The cubic root of 539346881 is about 813.9968492494.

The spelling of 539346881 in words is "five hundred thirty-nine million, three hundred forty-six thousand, eight hundred eighty-one".