3245938921 has 4 divisors (see below), whose sum is σ = 3246117700. Its totient is φ = 3245760144.

The previous prime is 3245938919. The next prime is 3245938939. The reversal of 3245938921 is 1298395423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1010540521 + 2235398400 = 31789^2 + 47280^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245938921 - 2¹ = 3245938919 is a prime.

It is a super-2 number, since 2×3245938921² = 21072238957725288482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245938951) 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, 58626 + ... + 99643.

It is an arithmetic number, because the mean of its divisors is an integer number (811529425).

Almost surely, 2^3245938921 is an apocalyptic number.

It is an amenable number.

3245938921 is a deficient number, since it is larger than the sum of its proper divisors (178779).

3245938921 is a wasteful number, since it uses less digits than its factorization.

3245938921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178778.

The product of its digits is 466560, while the sum is 46.

The square root of 3245938921 is about 56973.1421022222. The cubic root of 3245938921 is about 1480.6308062454.

The spelling of 3245938921 in words is "three billion, two hundred forty-five million, nine hundred thirty-eight thousand, nine hundred twenty-one".