511049984 has 18 divisors (see below), whose sum is σ = 1020104190. Its totient is φ = 255524864.

The previous prime is 511049983. The next prime is 511049989. The reversal of 511049984 is 489940115.

It can be written as a sum of positive squares in only one way, i.e., 473497600 + 37552384 = 21760^2 + 6128^2 .

It is a super-2 number, since 2×511049984² = 522344172292800512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511049983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997889 + ... + 998400.

It is an arithmetic number, because the mean of its divisors is an integer number (56672455).

Almost surely, 2^511049984 is an apocalyptic number.

It is an amenable number.

511049984 is a deficient number, since it is larger than the sum of its proper divisors (509054206).

511049984 is an equidigital number, since it uses as much as digits as its factorization.

511049984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996305 (or 1996291 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 511049984 is about 22606.4146648689. The cubic root of 511049984 is about 799.5048936503.

The spelling of 511049984 in words is "five hundred eleven million, forty-nine thousand, nine hundred eighty-four".