4004033421 has 8 divisors (see below), whose sum is σ = 5339052000. Its totient is φ = 2669185232.

The previous prime is 4004033413. The next prime is 4004033483. The reversal of 4004033421 is 1243304004.

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

It is a cyclic number.

It is not a de Polignac number, because 4004033421 - 2³ = 4004033413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004013421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29830 + ... + 94328.

It is an arithmetic number, because the mean of its divisors is an integer number (667381500).

Almost surely, 2^4004033421 is an apocalyptic number.

It is an amenable number.

4004033421 is a deficient number, since it is larger than the sum of its proper divisors (1335018579).

4004033421 is a wasteful number, since it uses less digits than its factorization.

4004033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85195.

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

The square root of 4004033421 is about 63277.4321618695. The cubic root of 4004033421 is about 1587.9344274592.

Adding to 4004033421 its reverse (1243304004), we get a palindrome (5247337425).

The spelling of 4004033421 in words is "four billion, four million, thirty-three thousand, four hundred twenty-one".