384978273 has 8 divisors (see below), whose sum is σ = 522989568. Its totient is φ = 251809584.

The previous prime is 384978271. The next prime is 384978283. The reversal of 384978273 is 372879483.

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

It is not a de Polignac number, because 384978273 - 2¹ = 384978271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384978271) 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, 1210465 + ... + 1210782.

It is an arithmetic number, because the mean of its divisors is an integer number (65373696).

Almost surely, 2^384978273 is an apocalyptic number.

It is an amenable number.

384978273 is a deficient number, since it is larger than the sum of its proper divisors (138011295).

384978273 is a wasteful number, since it uses less digits than its factorization.

384978273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421303.

The product of its digits is 2032128, while the sum is 51.

The square root of 384978273 is about 19620.8632073107. The cubic root of 384978273 is about 727.4649498353.

The spelling of 384978273 in words is "three hundred eighty-four million, nine hundred seventy-eight thousand, two hundred seventy-three".