384426673 has 4 divisors (see below), whose sum is σ = 384534900. Its totient is φ = 384318448.

The previous prime is 384426671. The next prime is 384426709. The reversal of 384426673 is 376624483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228251664 + 156175009 = 15108^2 + 12497^2 .

It is a cyclic number.

It is not a de Polignac number, because 384426673 - 2¹ = 384426671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384426671) 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, 48598 + ... + 55951.

It is an arithmetic number, because the mean of its divisors is an integer number (96133725).

Almost surely, 2^384426673 is an apocalyptic number.

It is an amenable number.

384426673 is a deficient number, since it is larger than the sum of its proper divisors (108227).

384426673 is a wasteful number, since it uses less digits than its factorization.

384426673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108226.

The product of its digits is 580608, while the sum is 43.

The square root of 384426673 is about 19606.8017024705. The cubic root of 384426673 is about 727.1173445333.

The spelling of 384426673 in words is "three hundred eighty-four million, four hundred twenty-six thousand, six hundred seventy-three".