427348385 has 4 divisors (see below), whose sum is σ = 512818068. Its totient is φ = 341878704.

The previous prime is 427348373. The next prime is 427348447. The reversal of 427348385 is 583843724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79637776 + 347710609 = 8924^2 + 18647^2 .

It is a cyclic number.

It is not a de Polignac number, because 427348385 - 2²⁶ = 360239521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42734834 + ... + 42734843.

It is an arithmetic number, because the mean of its divisors is an integer number (128204517).

Almost surely, 2^427348385 is an apocalyptic number.

It is an amenable number.

427348385 is a deficient number, since it is larger than the sum of its proper divisors (85469683).

427348385 is an equidigital number, since it uses as much as digits as its factorization.

427348385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85469682.

The product of its digits is 645120, while the sum is 44.

The square root of 427348385 is about 20672.4063669424. The cubic root of 427348385 is about 753.2295606965.

The spelling of 427348385 in words is "four hundred twenty-seven million, three hundred forty-eight thousand, three hundred eighty-five".