513988 has 12 divisors (see below), whose sum is σ = 946960. Its totient is φ = 243432.

The previous prime is 513977. The next prime is 513991. The reversal of 513988 is 889315.

513988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306 + ... + 3457.

2⁵¹³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

513988 is a deficient number, since it is larger than the sum of its proper divisors (432972).

513988 is a wasteful number, since it uses less digits than its factorization.

513988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6784 counting only the distinct ones).

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

The square root of 513988 is about 716.9295641833. The cubic root of 513988 is about 80.1034079440.

The spelling of 513988 in words is "five hundred thirteen thousand, nine hundred eighty-eight".