384562661 has 8 divisors (see below), whose sum is σ = 465353280. Its totient is φ = 310235328.

The previous prime is 384562639. The next prime is 384562693. The reversal of 384562661 is 166265483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384562661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384565661) 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, 1615691 + ... + 1615928.

It is an arithmetic number, because the mean of its divisors is an integer number (58169160).

Almost surely, 2^384562661 is an apocalyptic number.

It is an amenable number.

384562661 is a deficient number, since it is larger than the sum of its proper divisors (80790619).

384562661 is a wasteful number, since it uses less digits than its factorization.

384562661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231643.

The product of its digits is 207360, while the sum is 41.

The square root of 384562661 is about 19610.2692740309. The cubic root of 384562661 is about 727.2030718284.

The spelling of 384562661 in words is "three hundred eighty-four million, five hundred sixty-two thousand, six hundred sixty-one".