385428601 has 4 divisors (see below), whose sum is σ = 385487604. Its totient is φ = 385369600.

The previous prime is 385428587. The next prime is 385428629. The reversal of 385428601 is 106824583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106824583 = 17 ⋅6283799.

It can be written as a sum of positive squares in 2 ways, for example, as 123765625 + 261662976 = 11125^2 + 16176^2 .

It is a cyclic number.

It is not a de Polignac number, because 385428601 - 2⁵ = 385428569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385428691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18280 + ... + 33241.

It is an arithmetic number, because the mean of its divisors is an integer number (96371901).

Almost surely, 2^385428601 is an apocalyptic number.

It is an amenable number.

385428601 is a deficient number, since it is larger than the sum of its proper divisors (59003).

385428601 is an equidigital number, since it uses as much as digits as its factorization.

385428601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59002.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 385428601 is about 19632.3355971723. The cubic root of 385428601 is about 727.7484898046.

The spelling of 385428601 in words is "three hundred eighty-five million, four hundred twenty-eight thousand, six hundred one".