4040346 has 8 divisors (see below), whose sum is σ = 8080704. Its totient is φ = 1346780.

The previous prime is 4040327. The next prime is 4040353. The reversal of 4040346 is 6430404.

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

4040346 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 336690 + ... + 336701.

It is an arithmetic number, because the mean of its divisors is an integer number (1010088).

Almost surely, 2^4040346 is an apocalyptic number.

4040346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040346 is a wasteful number, since it uses less digits than its factorization.

4040346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673396.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4040346 is about 2010.0611930984. The cubic root of 4040346 is about 159.2720314510.

The spelling of 4040346 in words is "four million, forty thousand, three hundred forty-six".