380661001 has 8 divisors (see below), whose sum is σ = 435201984. Its totient is φ = 326160240.

The previous prime is 380660981. The next prime is 380661011. The reversal of 380661001 is 100166083.

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

It is not a de Polignac number, because 380661001 - 2²³ = 372272393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380661011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14106 + ... + 30988.

It is an arithmetic number, because the mean of its divisors is an integer number (54400248).

Almost surely, 2^380661001 is an apocalyptic number.

It is an amenable number.

380661001 is a deficient number, since it is larger than the sum of its proper divisors (54540983).

380661001 is a wasteful number, since it uses less digits than its factorization.

380661001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 380661001 is about 19510.5356410325. The cubic root of 380661001 is about 724.7353777023.

The spelling of 380661001 in words is "three hundred eighty million, six hundred sixty-one thousand, one".