385469347 has 4 divisors (see below), whose sum is σ = 390113640. Its totient is φ = 380825056.

The previous prime is 385469341. The next prime is 385469377. The reversal of 385469347 is 743964583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743964583 = 67 ⋅11103949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385469347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385469347.

It is not an unprimeable number, because it can be changed into a prime (385469341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322022 + ... + 2322187.

It is an arithmetic number, because the mean of its divisors is an integer number (97528410).

Almost surely, 2^385469347 is an apocalyptic number.

385469347 is a deficient number, since it is larger than the sum of its proper divisors (4644293).

385469347 is an equidigital number, since it uses as much as digits as its factorization.

385469347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644292.

The product of its digits is 2177280, while the sum is 49.

The square root of 385469347 is about 19633.3732965071. The cubic root of 385469347 is about 727.7741338063.

The spelling of 385469347 in words is "three hundred eighty-five million, four hundred sixty-nine thousand, three hundred forty-seven".