514908389 has 4 divisors (see below), whose sum is σ = 518364300. Its totient is φ = 511452480.

The previous prime is 514908371. The next prime is 514908421. The reversal of 514908389 is 983809415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983809415 = 5 ⋅196761883.

It can be written as a sum of positive squares in 2 ways, for example, as 317730625 + 197177764 = 17825^2 + 14042^2 .

It is a cyclic number.

It is not a de Polignac number, because 514908389 - 2⁸ = 514908133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514908089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727732 + ... + 1728029.

It is an arithmetic number, because the mean of its divisors is an integer number (129591075).

Almost surely, 2^514908389 is an apocalyptic number.

It is an amenable number.

514908389 is a deficient number, since it is larger than the sum of its proper divisors (3455911).

514908389 is a wasteful number, since it uses less digits than its factorization.

514908389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455910.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 514908389 is about 22691.5929145576. The cubic root of 514908389 is about 801.5119267344.

The spelling of 514908389 in words is "five hundred fourteen million, nine hundred eight thousand, three hundred eighty-nine".