43340004 has 72 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 13001472.

The previous prime is 43339999. The next prime is 43340023. The reversal of 43340004 is 40004334.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12537 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^43340004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43340004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60540480).

43340004 is an abundant number, since it is smaller than the sum of its proper divisors (77740956).

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

43340004 is a wasteful number, since it uses less digits than its factorization.

43340004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 43340004 is about 6583.3125400516. The cubic root of 43340004 is about 351.2607700079.

Adding to 43340004 its reverse (40004334), we get a palindrome (83344338).

The spelling of 43340004 in words is "forty-three million, three hundred forty thousand, four".