514947890 has 8 divisors (see below), whose sum is σ = 926906220. Its totient is φ = 205979152.

The previous prime is 514947883. The next prime is 514947931. The reversal of 514947890 is 98749415.

It can be written as a sum of positive squares in 2 ways, for example, as 502252921 + 12694969 = 22411^2 + 3563^2 .

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 25747385 + ... + 25747404.

Almost surely, 2^514947890 is an apocalyptic number.

514947890 is a deficient number, since it is larger than the sum of its proper divisors (411958330).

514947890 is a wasteful number, since it uses less digits than its factorization.

514947890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51494796.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 514947890 is about 22692.4632862984. The cubic root of 514947890 is about 801.5324221038.

The spelling of 514947890 in words is "five hundred fourteen million, nine hundred forty-seven thousand, eight hundred ninety".