427383943 has 4 divisors (see below), whose sum is σ = 488438800. Its totient is φ = 366329088.

The previous prime is 427383937. The next prime is 427383989. The reversal of 427383943 is 349383724.

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 427383943 - 2⁵ = 427383911 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 427383943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427381943) 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, 30527418 + ... + 30527431.

It is an arithmetic number, because the mean of its divisors is an integer number (122109700).

Almost surely, 2^427383943 is an apocalyptic number.

427383943 is a deficient number, since it is larger than the sum of its proper divisors (61054857).

427383943 is an equidigital number, since it uses as much as digits as its factorization.

427383943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61054856.

The product of its digits is 435456, while the sum is 43.

The square root of 427383943 is about 20673.2663843912. The cubic root of 427383943 is about 753.2504512196.

The spelling of 427383943 in words is "four hundred twenty-seven million, three hundred eighty-three thousand, nine hundred forty-three".