380740605 has 64 divisors (see below), whose sum is σ = 732561408. Its totient is φ = 165185280.

The previous prime is 380740603. The next prime is 380740621. The reversal of 380740605 is 506047083.

It is not a de Polignac number, because 380740605 - 2¹ = 380740603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380740603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171412 + ... + 173618.

It is an arithmetic number, because the mean of its divisors is an integer number (11446272).

Almost surely, 2^380740605 is an apocalyptic number.

380740605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380740605 is a deficient number, since it is larger than the sum of its proper divisors (351820803).

380740605 is a wasteful number, since it uses less digits than its factorization.

380740605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 380740605 is about 19512.5755603918. The cubic root of 380740605 is about 724.7858931774.

Adding to 380740605 its reverse (506047083), we get a palindrome (886787688).

The spelling of 380740605 in words is "three hundred eighty million, seven hundred forty thousand, six hundred five".