427576393 has 2 divisors, whose sum is σ = 427576394. Its totient is φ = 427576392.

The previous prime is 427576349. The next prime is 427576433. The reversal of 427576393 is 393675724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346071609 + 81504784 = 18603^2 + 9028^2 .

It is a cyclic number.

It is not a de Polignac number, because 427576393 - 2¹⁷ = 427445321 is a prime.

It is not a weakly prime, because it can be changed into another prime (427577393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213788196 + 213788197.

It is an arithmetic number, because the mean of its divisors is an integer number (213788197).

Almost surely, 2^427576393 is an apocalyptic number.

It is an amenable number.

427576393 is a deficient number, since it is larger than the sum of its proper divisors (1).

427576393 is an equidigital number, since it uses as much as digits as its factorization.

427576393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 46.

The square root of 427576393 is about 20677.9204225183. The cubic root of 427576393 is about 753.3634965646.

The spelling of 427576393 in words is "four hundred twenty-seven million, five hundred seventy-six thousand, three hundred ninety-three".