380453447 has 4 divisors (see below), whose sum is σ = 415040136. Its totient is φ = 345866760.

The previous prime is 380453441. The next prime is 380453449. The reversal of 380453447 is 744354083.

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

It is a cyclic number.

It is not a de Polignac number, because 380453447 - 2⁶ = 380453383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380453447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380453441) 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, 17293328 + ... + 17293349.

It is an arithmetic number, because the mean of its divisors is an integer number (103760034).

Almost surely, 2^380453447 is an apocalyptic number.

380453447 is a deficient number, since it is larger than the sum of its proper divisors (34586689).

380453447 is a wasteful number, since it uses less digits than its factorization.

380453447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34586688.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 380453447 is about 19505.2158921659. The cubic root of 380453447 is about 724.6036339955.

The spelling of 380453447 in words is "three hundred eighty million, four hundred fifty-three thousand, four hundred forty-seven".