539699958 has 24 divisors (see below), whose sum is σ = 1336400208. Its totient is φ = 154199952.

The previous prime is 539699893. The next prime is 539699971. The reversal of 539699958 is 859996935.

539699958 is a `hidden beast` number, since 539 + 6 + 9 + 9 + 95 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 539699895 and 539699904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141541 + ... + 2141792.

It is an arithmetic number, because the mean of its divisors is an integer number (55683342).

Almost surely, 2^539699958 is an apocalyptic number.

539699958 is an abundant number, since it is smaller than the sum of its proper divisors (796700250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539699958 is a wasteful number, since it uses less digits than its factorization.

539699958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283348 (or 4283345 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 63.

The square root of 539699958 is about 23231.4433042805. The cubic root of 539699958 is about 814.1744349451.

The spelling of 539699958 in words is "five hundred thirty-nine million, six hundred ninety-nine thousand, nine hundred fifty-eight".