4003034421 has 32 divisors (see below), whose sum is σ = 5697699840. Its totient is φ = 2491202304.

The previous prime is 4003034417. The next prime is 4003034429. The reversal of 4003034421 is 1244303004.

It is not a de Polignac number, because 4003034421 - 2² = 4003034417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003034429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4355400 + ... + 4356318.

It is an arithmetic number, because the mean of its divisors is an integer number (178053120).

Almost surely, 2^4003034421 is an apocalyptic number.

It is an amenable number.

4003034421 is a deficient number, since it is larger than the sum of its proper divisors (1694665419).

4003034421 is a wasteful number, since it uses less digits than its factorization.

4003034421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

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

The square root of 4003034421 is about 63269.5378598580. The cubic root of 4003034421 is about 1587.8023540993.

Adding to 4003034421 its reverse (1244303004), we get a palindrome (5247337425).

The spelling of 4003034421 in words is "four billion, three million, thirty-four thousand, four hundred twenty-one".