385055401 has 4 divisors (see below), whose sum is σ = 389929600. Its totient is φ = 380181204.

The previous prime is 385055357. The next prime is 385055413. The reversal of 385055401 is 104550583.

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 a de Polignac number, because none of the positive numbers 2^k-385055401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385055431) 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, 2436981 + ... + 2437138.

It is an arithmetic number, because the mean of its divisors is an integer number (97482400).

Almost surely, 2^385055401 is an apocalyptic number.

It is an amenable number.

385055401 is a deficient number, since it is larger than the sum of its proper divisors (4874199).

385055401 is an equidigital number, since it uses as much as digits as its factorization.

385055401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874198.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 385055401 is about 19622.8285677677. The cubic root of 385055401 is about 727.5135276158.

The spelling of 385055401 in words is "three hundred eighty-five million, fifty-five thousand, four hundred one".