380943111 has 4 divisors (see below), whose sum is σ = 507924152. Its totient is φ = 253962072.

The previous prime is 380943107. The next prime is 380943137. The reversal of 380943111 is 111349083.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 380943111 - 2² = 380943107 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 (380943151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63490516 + ... + 63490521.

It is an arithmetic number, because the mean of its divisors is an integer number (126981038).

Almost surely, 2^380943111 is an apocalyptic number.

380943111 is a deficient number, since it is larger than the sum of its proper divisors (126981041).

380943111 is a wasteful number, since it uses less digits than its factorization.

380943111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126981040.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 380943111 is about 19517.7639856619. The cubic root of 380943111 is about 724.9143686417.

The spelling of 380943111 in words is "three hundred eighty million, nine hundred forty-three thousand, one hundred eleven".