513930708 has 72 divisors (see below), whose sum is σ = 1325076480. Its totient is φ = 167918400.

The previous prime is 513930707. The next prime is 513930727. The reversal of 513930708 is 807039315.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513930701) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 445933 + ... + 447083.

It is an arithmetic number, because the mean of its divisors is an integer number (18403840).

Almost surely, 2^513930708 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 513930708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662538240).

513930708 is an abundant number, since it is smaller than the sum of its proper divisors (811145772).

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

513930708 is a wasteful number, since it uses less digits than its factorization.

513930708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 513930708 is about 22670.0398764537. The cubic root of 513930708 is about 801.0043157431.

The spelling of 513930708 in words is "five hundred thirteen million, nine hundred thirty thousand, seven hundred eight".