513898 has 32 divisors (see below), whose sum is σ = 995328. Its totient is φ = 193200.

The previous prime is 513881. The next prime is 513899. The reversal of 513898 is 898315.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (513899) by changing a digit.

513898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (31104).

2⁵¹³⁸⁹⁸ is an apocalyptic number.

513898 is a deficient number, since it is larger than the sum of its proper divisors (481430).

513898 is a wasteful number, since it uses less digits than its factorization.

513898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 8640, while the sum is 34.

The square root of 513898 is about 716.8667937630. The cubic root of 513898 is about 80.0987322658.

The spelling of 513898 in words is "five hundred thirteen thousand, eight hundred ninety-eight".