201430399 has 6 divisors (see below), whose sum is σ = 213976544. Its totient is φ = 189581280.

The previous prime is 201430393. The next prime is 201430403. The reversal of 201430399 is 993034102.

201430399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201430399 - 2²¹ = 199333247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201430399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201430393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348207 + ... + 348784.

Almost surely, 2^201430399 is an apocalyptic number.

201430399 is a deficient number, since it is larger than the sum of its proper divisors (12546145).

201430399 is an equidigital number, since it uses as much as digits as its factorization.

201430399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697025 (or 697008 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 201430399 is about 14192.6177641759. The cubic root of 201430399 is about 586.1944077684.

The spelling of 201430399 in words is "two hundred one million, four hundred thirty thousand, three hundred ninety-nine".