427439203 has 4 divisors (see below), whose sum is σ = 427669288. Its totient is φ = 427209120.

The previous prime is 427439189. The next prime is 427439209. The reversal of 427439203 is 302934724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427439203 - 2⁹ = 427438691 is a prime.

It is a super-2 number, since 2×427439203² = 365408544522550418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427439209) 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, 112233 + ... + 115978.

It is an arithmetic number, because the mean of its divisors is an integer number (106917322).

Almost surely, 2^427439203 is an apocalyptic number.

427439203 is a deficient number, since it is larger than the sum of its proper divisors (230085).

427439203 is a wasteful number, since it uses less digits than its factorization.

427439203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230084.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 427439203 is about 20674.6028498736. The cubic root of 427439203 is about 753.2829144779.

The spelling of 427439203 in words is "four hundred twenty-seven million, four hundred thirty-nine thousand, two hundred three".