384620773 has 4 divisors (see below), whose sum is σ = 386050860. Its totient is φ = 383190688.

The previous prime is 384620759. The next prime is 384620777. The reversal of 384620773 is 377026483.

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 124701889 + 259918884 = 11167^2 + 16122^2 .

It is a cyclic number.

It is not a de Polignac number, because 384620773 - 2²¹ = 382523621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384620777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714640 + ... + 715177.

It is an arithmetic number, because the mean of its divisors is an integer number (96512715).

Almost surely, 2^384620773 is an apocalyptic number.

It is an amenable number.

384620773 is a deficient number, since it is larger than the sum of its proper divisors (1430087).

384620773 is a wasteful number, since it uses less digits than its factorization.

384620773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430086.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 384620773 is about 19611.7508907288. The cubic root of 384620773 is about 727.2396996663.

The spelling of 384620773 in words is "three hundred eighty-four million, six hundred twenty thousand, seven hundred seventy-three".