384866997 has 16 divisors (see below), whose sum is σ = 521381952. Its totient is φ = 252495360.

The previous prime is 384866957. The next prime is 384867001. The reversal of 384866997 is 799668483.

It is not a de Polignac number, because 384866997 - 2¹² = 384862901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384866997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384866947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49018 + ... + 56324.

It is an arithmetic number, because the mean of its divisors is an integer number (32586372).

Almost surely, 2^384866997 is an apocalyptic number.

It is an amenable number.

384866997 is a deficient number, since it is larger than the sum of its proper divisors (136514955).

384866997 is a wasteful number, since it uses less digits than its factorization.

384866997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588.

The product of its digits is 15676416, while the sum is 60.

The square root of 384866997 is about 19618.0273473150. The cubic root of 384866997 is about 727.3948530740.

The spelling of 384866997 in words is "three hundred eighty-four million, eight hundred sixty-six thousand, nine hundred ninety-seven".