40008346 has 16 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 17106480.

The previous prime is 40008337. The next prime is 40008403. The reversal of 40008346 is 64380004.

40008346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40008346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 9553.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 2^40008346 is an apocalyptic number.

40008346 is a deficient number, since it is larger than the sum of its proper divisors (28737254).

40008346 is a wasteful number, since it uses less digits than its factorization.

40008346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

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

The square root of 40008346 is about 6325.2150951568. The cubic root of 40008346 is about 342.0189734466.

The spelling of 40008346 in words is "forty million, eight thousand, three hundred forty-six".