513886 has 8 divisors (see below), whose sum is σ = 779760. Its totient is φ = 253968.

The previous prime is 513881. The next prime is 513899. The reversal of 513886 is 688315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (97470).

2⁵¹³⁸⁸⁶ is an apocalyptic number.

513886 is a deficient number, since it is larger than the sum of its proper divisors (265874).

513886 is a wasteful number, since it uses less digits than its factorization.

513886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

The product of its digits is 5760, while the sum is 31.

The square root of 513886 is about 716.8584239583. The cubic root of 513886 is about 80.0981088008.

The spelling of 513886 in words is "five hundred thirteen thousand, eight hundred eighty-six".