3802245821 has 8 divisors (see below), whose sum is σ = 4281708288. Its totient is φ = 3345084000.

The previous prime is 3802245793. The next prime is 3802245827. The reversal of 3802245821 is 1285422083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3802245821 - 2¹⁸ = 3801983677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802245827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5574800 + ... + 5575481.

It is an arithmetic number, because the mean of its divisors is an integer number (535213536).

Almost surely, 2^3802245821 is an apocalyptic number.

3802245821 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3802245821 is a deficient number, since it is larger than the sum of its proper divisors (479462467).

3802245821 is a wasteful number, since it uses less digits than its factorization.

3802245821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150323.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 3802245821 is about 61662.3533527549. The cubic root of 3802245821 is about 1560.7981097180.

The spelling of 3802245821 in words is "three billion, eight hundred two million, two hundred forty-five thousand, eight hundred twenty-one".