3403330021 has 16 divisors (see below), whose sum is σ = 4190147584. Its totient is φ = 2691823104.

The previous prime is 3403329997. The next prime is 3403330031. The reversal of 3403330021 is 1200333043.

It is a cyclic number.

It is not a de Polignac number, because 3403330021 - 2²¹ = 3401232869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403330031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406540 + ... + 414826.

It is an arithmetic number, because the mean of its divisors is an integer number (261884224).

Almost surely, 2^3403330021 is an apocalyptic number.

It is an amenable number.

3403330021 is a deficient number, since it is larger than the sum of its proper divisors (786817563).

3403330021 is a wasteful number, since it uses less digits than its factorization.

3403330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3403330021 is about 58338.0666546295. The cubic root of 3403330021 is about 1504.1853511769.

Adding to 3403330021 its reverse (1200333043), we get a palindrome (4603663064).

The spelling of 3403330021 in words is "three billion, four hundred three million, three hundred thirty thousand, twenty-one".