514431939 has 24 divisors (see below), whose sum is σ = 812961360. Its totient is φ = 288410304.

The previous prime is 514431937. The next prime is 514431943. The reversal of 514431939 is 939134415.

It is a happy number.

It is not a de Polignac number, because 514431939 - 2¹ = 514431937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 514431897 and 514431906.

It is not an unprimeable number, because it can be changed into a prime (514431937) 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, 25224 + ... + 40805.

It is an arithmetic number, because the mean of its divisors is an integer number (33873390).

Almost surely, 2^514431939 is an apocalyptic number.

514431939 is a deficient number, since it is larger than the sum of its proper divisors (298529421).

514431939 is a wasteful number, since it uses less digits than its factorization.

514431939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66099 (or 66092 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 514431939 is about 22681.0921033358. The cubic root of 514431939 is about 801.2646347162.

The spelling of 514431939 in words is "five hundred fourteen million, four hundred thirty-one thousand, nine hundred thirty-nine".