385446649 has 8 divisors (see below), whose sum is σ = 452416448. Its totient is φ = 321453360.

The previous prime is 385446631. The next prime is 385446679. The reversal of 385446649 is 946644583.

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

It is a cyclic number.

It is not a de Polignac number, because 385446649 - 2⁹ = 385446137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385446619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743847 + ... + 744364.

It is an arithmetic number, because the mean of its divisors is an integer number (56552056).

Almost surely, 2^385446649 is an apocalyptic number.

It is an amenable number.

385446649 is a deficient number, since it is larger than the sum of its proper divisors (66969799).

385446649 is a wasteful number, since it uses less digits than its factorization.

385446649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488255.

The product of its digits is 2488320, while the sum is 49.

The square root of 385446649 is about 19632.7952416359. The cubic root of 385446649 is about 727.7598487608.

The spelling of 385446649 in words is "three hundred eighty-five million, four hundred forty-six thousand, six hundred forty-nine".