40384006 has 16 divisors (see below), whose sum is σ = 68670000. Its totient is φ = 17657568.

The previous prime is 40383991. The next prime is 40384007. The reversal of 40384006 is 60048304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384007) 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, 40381 + ... + 41368.

It is an arithmetic number, because the mean of its divisors is an integer number (4291875).

Almost surely, 2^40384006 is an apocalyptic number.

40384006 is a deficient number, since it is larger than the sum of its proper divisors (28285994).

40384006 is a wasteful number, since it uses less digits than its factorization.

40384006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81783.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40384006 is about 6354.8411467164. The cubic root of 40384006 is about 343.0861074605.

The spelling of 40384006 in words is "forty million, three hundred eighty-four thousand, six".