330004421 has 4 divisors (see below), whose sum is σ = 332029152. Its totient is φ = 327979692.

The previous prime is 330004417. The next prime is 330004429. The reversal of 330004421 is 124400033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330004421 - 2² = 330004417 is a prime.

It is a super-3 number, since 3×330004421³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330004429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012121 + ... + 1012446.

It is an arithmetic number, because the mean of its divisors is an integer number (83007288).

Almost surely, 2^330004421 is an apocalyptic number.

It is an amenable number.

330004421 is a deficient number, since it is larger than the sum of its proper divisors (2024731).

330004421 is a wasteful number, since it uses less digits than its factorization.

330004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024730.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 330004421 is about 18166.0238081975. The cubic root of 330004421 is about 691.0454089450.

Adding to 330004421 its reverse (124400033), we get a palindrome (454404454).

The spelling of 330004421 in words is "three hundred thirty million, four thousand, four hundred twenty-one".