512890 has 32 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 165120.

The previous prime is 512849. The next prime is 512891. The reversal of 512890 is 98215.

It is not an unprimeable number, because it can be changed into a prime (512891) by changing a digit.

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, 975 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (34992).

2⁵¹²⁸⁹⁰ is an apocalyptic number.

512890 is an abundant number, since it is smaller than the sum of its proper divisors (606854).

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

512890 is a wasteful number, since it uses less digits than its factorization.

512890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 512890 is about 716.1633891788. The cubic root of 512890 is about 80.0463273337.

The spelling of 512890 in words is "five hundred twelve thousand, eight hundred ninety".