384336646 has 16 divisors (see below), whose sum is σ = 617775984. Its totient is φ = 178683904.

The previous prime is 384336619. The next prime is 384336653. The reversal of 384336646 is 646633483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65275 + ... + 70918.

It is an arithmetic number, because the mean of its divisors is an integer number (38610999).

Almost surely, 2^384336646 is an apocalyptic number.

384336646 is a deficient number, since it is larger than the sum of its proper divisors (233439338).

384336646 is a wasteful number, since it uses less digits than its factorization.

384336646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136295.

The product of its digits is 746496, while the sum is 43.

The square root of 384336646 is about 19604.5057576058. The cubic root of 384336646 is about 727.0605800852.

The spelling of 384336646 in words is "three hundred eighty-four million, three hundred thirty-six thousand, six hundred forty-six".