380248809 has 16 divisors (see below), whose sum is σ = 539561088. Its totient is φ = 237370112.

The previous prime is 380248769. The next prime is 380248829. The reversal of 380248809 is 908842083.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 380248809 - 2¹¹ = 380246761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380248829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8877 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (33722568).

Almost surely, 2^380248809 is an apocalyptic number.

It is an amenable number.

380248809 is a deficient number, since it is larger than the sum of its proper divisors (159312279).

380248809 is a wasteful number, since it uses less digits than its factorization.

380248809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38064.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 380248809 is about 19499.9694615145. The cubic root of 380248809 is about 724.4736942851.

The spelling of 380248809 in words is "three hundred eighty million, two hundred forty-eight thousand, eight hundred nine".