385421001 has 32 divisors (see below), whose sum is σ = 594198528. Its totient is φ = 217676160.

The previous prime is 385420993. The next prime is 385421021. The reversal of 385421001 is 100124583.

It is not a de Polignac number, because 385421001 - 2³ = 385420993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385421021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231221 + ... + 1231533.

It is an arithmetic number, because the mean of its divisors is an integer number (18568704).

Almost surely, 2^385421001 is an apocalyptic number.

It is an amenable number.

385421001 is a deficient number, since it is larger than the sum of its proper divisors (208777527).

385421001 is a wasteful number, since it uses less digits than its factorization.

385421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 385421001 is about 19632.1420379947. The cubic root of 385421001 is about 727.7437064501.

Adding to 385421001 its reverse (100124583), we get a palindrome (485545584).

The spelling of 385421001 in words is "three hundred eighty-five million, four hundred twenty-one thousand, one".