3083240821 has 32 divisors (see below), whose sum is σ = 3368563200. Its totient is φ = 2815626240.

The previous prime is 3083240807. The next prime is 3083240851. The reversal of 3083240821 is 1280423803.

It is not a de Polignac number, because 3083240821 - 2¹¹ = 3083238773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3083240851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7153476 + ... + 7153906.

It is an arithmetic number, because the mean of its divisors is an integer number (105267600).

Almost surely, 2^3083240821 is an apocalyptic number.

It is an amenable number.

3083240821 is a deficient number, since it is larger than the sum of its proper divisors (285322379).

3083240821 is a wasteful number, since it uses less digits than its factorization.

3083240821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3083240821 is about 55526.9377959923. The cubic root of 3083240821 is about 1455.4673999769.

The spelling of 3083240821 in words is "three billion, eighty-three million, two hundred forty thousand, eight hundred twenty-one".