380466809 has 4 divisors (see below), whose sum is σ = 380582400. Its totient is φ = 380351220.

The previous prime is 380466797. The next prime is 380466841. The reversal of 380466809 is 908664083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 380466809 - 2²⁰ = 379418233 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 380466809.

It is not an unprimeable number, because it can be changed into a prime (380466509) 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, 52709 + ... + 59490.

It is an arithmetic number, because the mean of its divisors is an integer number (95145600).

Almost surely, 2^380466809 is an apocalyptic number.

It is an amenable number.

380466809 is a deficient number, since it is larger than the sum of its proper divisors (115591).

380466809 is a wasteful number, since it uses less digits than its factorization.

380466809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115590.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 380466809 is about 19505.5584129243. The cubic root of 380466809 is about 724.6121168910.

The spelling of 380466809 in words is "three hundred eighty million, four hundred sixty-six thousand, eight hundred nine".