380728601 has 8 divisors (see below), whose sum is σ = 418612224. Its totient is φ = 343390320.

The previous prime is 380728547. The next prime is 380728603. The reversal of 380728601 is 106827083.

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

It is a cyclic number.

It is not a de Polignac number, because 380728601 - 2¹⁰ = 380727577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380728603) 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, 134870 + ... + 137663.

It is an arithmetic number, because the mean of its divisors is an integer number (52326528).

Almost surely, 2^380728601 is an apocalyptic number.

It is an amenable number.

380728601 is a deficient number, since it is larger than the sum of its proper divisors (37883623).

380728601 is a wasteful number, since it uses less digits than its factorization.

380728601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272671.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 380728601 is about 19512.2679614647. The cubic root of 380728601 is about 724.7782760743.

The spelling of 380728601 in words is "three hundred eighty million, seven hundred twenty-eight thousand, six hundred one".