378006009 has 8 divisors (see below), whose sum is σ = 505012032. Its totient is φ = 251502000.

The previous prime is 378005941. The next prime is 378006037. The reversal of 378006009 is 900600873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378006009 - 2¹² = 378001913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378006089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123742 + ... + 126759.

It is an arithmetic number, because the mean of its divisors is an integer number (63126504).

Almost surely, 2^378006009 is an apocalyptic number.

It is an amenable number.

378006009 is a deficient number, since it is larger than the sum of its proper divisors (127006023).

378006009 is a wasteful number, since it uses less digits than its factorization.

378006009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251007.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 378006009 is about 19442.3766294144. The cubic root of 378006009 is about 723.0465105933.

The spelling of 378006009 in words is "three hundred seventy-eight million, six thousand, nine".