4043490 has 32 divisors (see below), whose sum is σ = 10587456. Its totient is φ = 980160.

The previous prime is 4043489. The next prime is 4043491. The reversal of 4043490 is 943404.

It is an interprime number because it is at equal distance from previous prime (4043489) and next prime (4043491).

It is a super-2 number, since 2×4043490² = 32699622760200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4043490.

It is not an unprimeable number, because it can be changed into a prime (4043491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5797 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (330858).

Almost surely, 2^4043490 is an apocalyptic number.

4043490 is an abundant number, since it is smaller than the sum of its proper divisors (6543966).

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

4043490 is a wasteful number, since it uses less digits than its factorization.

4043490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4043490 is about 2010.8431067590. The cubic root of 4043490 is about 159.3133333128.

Adding to 4043490 its reverse (943404), we get a palindrome (4986894).

The spelling of 4043490 in words is "four million, forty-three thousand, four hundred ninety".