385403441 has 4 divisors (see below), whose sum is σ = 388345584. Its totient is φ = 382461300.

The previous prime is 385403423. The next prime is 385403449. The reversal of 385403441 is 144304583.

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 385403441 - 2¹⁰ = 385402417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385403398 and 385403407.

It is not an unprimeable number, because it can be changed into a prime (385403449) 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, 1470875 + ... + 1471136.

It is an arithmetic number, because the mean of its divisors is an integer number (97086396).

Almost surely, 2^385403441 is an apocalyptic number.

It is an amenable number.

385403441 is a deficient number, since it is larger than the sum of its proper divisors (2942143).

385403441 is a wasteful number, since it uses less digits than its factorization.

385403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942142.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 385403441 is about 19631.6948071225. The cubic root of 385403441 is about 727.7326541432.

The spelling of 385403441 in words is "three hundred eighty-five million, four hundred three thousand, four hundred forty-one".