384480691 has 8 divisors (see below), whose sum is σ = 445595904. Its totient is φ = 324912840.

The previous prime is 384480683. The next prime is 384480731. The reversal of 384480691 is 196084483.

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

It is not a de Polignac number, because 384480691 - 2³ = 384480683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384480641) 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, 386305 + ... + 387298.

It is an arithmetic number, because the mean of its divisors is an integer number (55699488).

Almost surely, 2^384480691 is an apocalyptic number.

384480691 is a deficient number, since it is larger than the sum of its proper divisors (61115213).

384480691 is an equidigital number, since it uses as much as digits as its factorization.

384480691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773681.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 384480691 is about 19608.1791862478. The cubic root of 384480691 is about 727.1514000832.

The spelling of 384480691 in words is "three hundred eighty-four million, four hundred eighty thousand, six hundred ninety-one".