385479661 has 8 divisors (see below), whose sum is σ = 446753664. Its totient is φ = 325757040.

The previous prime is 385479659. The next prime is 385479713. The reversal of 385479661 is 166974583.

385479661 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 385479661 - 2¹ = 385479659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385449661) 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, 387310 + ... + 388303.

It is an arithmetic number, because the mean of its divisors is an integer number (55844208).

Almost surely, 2^385479661 is an apocalyptic number.

It is an amenable number.

385479661 is a deficient number, since it is larger than the sum of its proper divisors (61274003).

385479661 is an equidigital number, since it uses as much as digits as its factorization.

385479661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775691.

The product of its digits is 1088640, while the sum is 49.

The square root of 385479661 is about 19633.6359597503. The cubic root of 385479661 is about 727.7806247638.

The spelling of 385479661 in words is "three hundred eighty-five million, four hundred seventy-nine thousand, six hundred sixty-one".