40003834 has 8 divisors (see below), whose sum is σ = 64621620. Its totient is φ = 18463296.

The previous prime is 40003819. The next prime is 40003883. The reversal of 40003834 is 43830004.

40003834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39879225 + 124609 = 6315^2 + 353^2 .

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

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, 769279 + ... + 769330.

Almost surely, 2^40003834 is an apocalyptic number.

40003834 is a deficient number, since it is larger than the sum of its proper divisors (24617786).

40003834 is a wasteful number, since it uses less digits than its factorization.

40003834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538624.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40003834 is about 6324.8584173877. The cubic root of 40003834 is about 342.0061157325.

Adding to 40003834 its reverse (43830004), we get a palindrome (83833838).

The spelling of 40003834 in words is "forty million, three thousand, eight hundred thirty-four".