512990620 has 96 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 190417920.

The previous prime is 512990617. The next prime is 512990641. The reversal of 512990620 is 26099215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3690511 + ... + 3690649.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^512990620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512990620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579156480).

512990620 is an abundant number, since it is smaller than the sum of its proper divisors (645322340).

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

512990620 is a wasteful number, since it uses less digits than its factorization.

512990620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 512990620 is about 22649.2962363072. The cubic root of 512990620 is about 800.5156155211.

The spelling of 512990620 in words is "five hundred twelve million, nine hundred ninety thousand, six hundred twenty".