380730393 has 6 divisors (see below), whose sum is σ = 549943914. Its totient is φ = 253820256.

The previous prime is 380730391. The next prime is 380730397. The reversal of 380730393 is 393037083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 378380304 + 2350089 = 19452^2 + 1533^2 .

It is not a de Polignac number, because 380730393 - 2¹ = 380730391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380730391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21151680 + ... + 21151697.

It is an arithmetic number, because the mean of its divisors is an integer number (91657319).

Almost surely, 2^380730393 is an apocalyptic number.

It is an amenable number.

380730393 is a deficient number, since it is larger than the sum of its proper divisors (169213521).

380730393 is a wasteful number, since it uses less digits than its factorization.

380730393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42303383 (or 42303380 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 380730393 is about 19512.3138812392. The cubic root of 380730393 is about 724.7794131928.

The spelling of 380730393 in words is "three hundred eighty million, seven hundred thirty thousand, three hundred ninety-three".