514431387 has 36 divisors (see below), whose sum is σ = 783069040. Its totient is φ = 325192320.

The previous prime is 514431371. The next prime is 514431389. The reversal of 514431387 is 783134415.

It is a happy number.

514431387 is a `hidden beast` number, since 514 + 4 + 3 + 138 + 7 = 666.

It is not a de Polignac number, because 514431387 - 2⁴ = 514431371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514431389) 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 35 ways as a sum of consecutive naturals, for example, 559314 + ... + 560232.

Almost surely, 2^514431387 is an apocalyptic number.

514431387 is a deficient number, since it is larger than the sum of its proper divisors (268637653).

514431387 is a wasteful number, since it uses less digits than its factorization.

514431387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1000 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 514431387 is about 22681.0799346063. The cubic root of 514431387 is about 801.2643481229.

The spelling of 514431387 in words is "five hundred fourteen million, four hundred thirty-one thousand, three hundred eighty-seven".