380009449 has 4 divisors (see below), whose sum is σ = 402362964. Its totient is φ = 357655936.

The previous prime is 380009437. The next prime is 380009453. The reversal of 380009449 is 944900083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 292923225 + 87086224 = 17115^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 380009449 - 2¹¹ = 380007401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380009419) 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, 11176732 + ... + 11176765.

It is an arithmetic number, because the mean of its divisors is an integer number (100590741).

Almost surely, 2^380009449 is an apocalyptic number.

It is an amenable number.

380009449 is a deficient number, since it is larger than the sum of its proper divisors (22353515).

380009449 is a wasteful number, since it uses less digits than its factorization.

380009449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22353514.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 380009449 is about 19493.8310498475. The cubic root of 380009449 is about 724.3216478545.

The spelling of 380009449 in words is "three hundred eighty million, nine thousand, four hundred forty-nine".