385227489 has 8 divisors (see below), whose sum is σ = 540670240. Its totient is φ = 243301536.

The previous prime is 385227487. The next prime is 385227541. The reversal of 385227489 is 984722583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385227489 - 2¹ = 385227487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385227487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3379132 + ... + 3379245.

It is an arithmetic number, because the mean of its divisors is an integer number (67583780).

Almost surely, 2^385227489 is an apocalyptic number.

It is an amenable number.

385227489 is a deficient number, since it is larger than the sum of its proper divisors (155442751).

385227489 is a wasteful number, since it uses less digits than its factorization.

385227489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758399.

The product of its digits is 967680, while the sum is 48.

The square root of 385227489 is about 19627.2129707710. The cubic root of 385227489 is about 727.6218909850.

It can be divided in two parts, 3852 and 27489, that multiplied together give a triangular number (105887628 = T₁₄₅₅₂).

The spelling of 385227489 in words is "three hundred eighty-five million, two hundred twenty-seven thousand, four hundred eighty-nine".