385385401 has 4 divisors (see below), whose sum is σ = 402141312. Its totient is φ = 368629492.

The previous prime is 385385347. The next prime is 385385411. The reversal of 385385401 is 104583583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385385401 - 2¹⁵ = 385352633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385385411) 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, 8377921 + ... + 8377966.

It is an arithmetic number, because the mean of its divisors is an integer number (100535328).

Almost surely, 2^385385401 is an apocalyptic number.

It is an amenable number.

385385401 is a deficient number, since it is larger than the sum of its proper divisors (16755911).

385385401 is a wasteful number, since it uses less digits than its factorization.

385385401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16755910.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 385385401 is about 19631.2353406504. The cubic root of 385385401 is about 727.7212993735.

The spelling of 385385401 in words is "three hundred eighty-five million, three hundred eighty-five thousand, four hundred one".