385481747 has 8 divisors (see below), whose sum is σ = 463737600. Its totient is φ = 313022664.

The previous prime is 385481743. The next prime is 385481777. The reversal of 385481747 is 747184583.

It is a happy number.

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 385481747 - 2² = 385481743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385481743) 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, 1449047 + ... + 1449312.

It is an arithmetic number, because the mean of its divisors is an integer number (57967200).

Almost surely, 2^385481747 is an apocalyptic number.

385481747 is a deficient number, since it is larger than the sum of its proper divisors (78255853).

385481747 is a wasteful number, since it uses less digits than its factorization.

385481747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898385.

The product of its digits is 752640, while the sum is 47.

The square root of 385481747 is about 19633.6890827985. The cubic root of 385481747 is about 727.7819375418.

The spelling of 385481747 in words is "three hundred eighty-five million, four hundred eighty-one thousand, seven hundred forty-seven".