382500009 has 16 divisors (see below), whose sum is σ = 576273600. Its totient is φ = 250676928.

The previous prime is 382499941. The next prime is 382500109. The reversal of 382500009 is 900005283.

It is not a de Polignac number, because 382500009 - 2⁹ = 382499497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (382500109) 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, 118464 + ... + 121649.

It is an arithmetic number, because the mean of its divisors is an integer number (36017100).

Almost surely, 2^382500009 is an apocalyptic number.

It is an amenable number.

382500009 is a deficient number, since it is larger than the sum of its proper divisors (193773591).

382500009 is a wasteful number, since it uses less digits than its factorization.

382500009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240181 (or 240175 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 382500009 is about 19557.6074456974. The cubic root of 382500009 is about 725.9005908557.

The spelling of 382500009 in words is "three hundred eighty-two million, five hundred thousand, nine".