514431388 has 6 divisors (see below), whose sum is σ = 900254936. Its totient is φ = 257215692.

The previous prime is 514431371. The next prime is 514431389. The reversal of 514431388 is 883134415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514431389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64303920 + ... + 64303927.

Almost surely, 2^514431388 is an apocalyptic number.

It is an amenable number.

514431388 is a deficient number, since it is larger than the sum of its proper divisors (385823548).

514431388 is a wasteful number, since it uses less digits than its factorization.

514431388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128607851 (or 128607849 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 514431388 is about 22681.0799566511. The cubic root of 514431388 is about 801.2643486421.

The spelling of 514431388 in words is "five hundred fourteen million, four hundred thirty-one thousand, three hundred eighty-eight".