427143438 has 12 divisors (see below), whose sum is σ = 925477488. Its totient is φ = 142381140.

The previous prime is 427143433. The next prime is 427143439. The reversal of 427143438 is 834341724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427143433) 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, 11865078 + ... + 11865113.

It is an arithmetic number, because the mean of its divisors is an integer number (77123124).

Almost surely, 2^427143438 is an apocalyptic number.

427143438 is an abundant number, since it is smaller than the sum of its proper divisors (498334050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427143438 is a wasteful number, since it uses less digits than its factorization.

427143438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730199 (or 23730196 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 427143438 is about 20667.4487540190. The cubic root of 427143438 is about 753.1091305988.

The spelling of 427143438 in words is "four hundred twenty-seven million, one hundred forty-three thousand, four hundred thirty-eight".