3344604021 has 64 divisors (see below), whose sum is σ = 5809397760. Its totient is φ = 1879130880.

The previous prime is 3344604019. The next prime is 3344604037. The reversal of 3344604021 is 1204064433.

3344604021 is a `hidden beast` number, since 3 + 34 + 4 + 604 + 0 + 21 = 666.

It is not a de Polignac number, because 3344604021 - 2¹ = 3344604019 is a prime.

It is a super-2 number, since 2×3344604021² = 22372752114578736882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344604071) 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 63 ways as a sum of consecutive naturals, for example, 333340 + ... + 343226.

It is an arithmetic number, because the mean of its divisors is an integer number (90771840).

Almost surely, 2^3344604021 is an apocalyptic number.

It is an amenable number.

3344604021 is a deficient number, since it is larger than the sum of its proper divisors (2464793739).

3344604021 is a wasteful number, since it uses less digits than its factorization.

3344604021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3344604021 is about 57832.5515691639. The cubic root of 3344604021 is about 1495.4833052968.

Adding to 3344604021 its reverse (1204064433), we get a palindrome (4548668454).

The spelling of 3344604021 in words is "three billion, three hundred forty-four million, six hundred four thousand, twenty-one".