385331465 has 8 divisors (see below), whose sum is σ = 471122568. Its totient is φ = 302448640.

The previous prime is 385331437. The next prime is 385331467. The reversal of 385331465 is 564133583.

It can be written as a sum of positive squares in 4 ways, for example, as 38887696 + 346443769 = 6236^2 + 18613^2 .

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

It is not a de Polignac number, because 385331465 - 2¹⁰ = 385330441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385331467) 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, 726776 + ... + 727305.

It is an arithmetic number, because the mean of its divisors is an integer number (58890321).

Almost surely, 2^385331465 is an apocalyptic number.

It is an amenable number.

385331465 is a deficient number, since it is larger than the sum of its proper divisors (85791103).

385331465 is a wasteful number, since it uses less digits than its factorization.

385331465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454139.

The product of its digits is 129600, while the sum is 38.

The square root of 385331465 is about 19629.8615634446. The cubic root of 385331465 is about 727.6873487645.

The spelling of 385331465 in words is "three hundred eighty-five million, three hundred thirty-one thousand, four hundred sixty-five".