380243911 has 8 divisors (see below), whose sum is σ = 396231120. Its totient is φ = 364448448.

The previous prime is 380243909. The next prime is 380243921. The reversal of 380243911 is 119342083.

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 380243911 - 2¹ = 380243909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380243921) 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, 43881 + ... + 51826.

It is an arithmetic number, because the mean of its divisors is an integer number (49528890).

Almost surely, 2^380243911 is an apocalyptic number.

380243911 is a deficient number, since it is larger than the sum of its proper divisors (15987209).

380243911 is a wasteful number, since it uses less digits than its factorization.

380243911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95873.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 380243911 is about 19499.8438711698. The cubic root of 380243911 is about 724.4705836136.

Adding to 380243911 its reverse (119342083), we get a palindrome (499585994).

The spelling of 380243911 in words is "three hundred eighty million, two hundred forty-three thousand, nine hundred eleven".