3821001284 has 6 divisors (see below), whose sum is σ = 6686752254. Its totient is φ = 1910500640.

The previous prime is 3821001263. The next prime is 3821001299. The reversal of 3821001284 is 4821001283.

It can be written as a sum of positive squares in only one way, i.e., 3529548100 + 291453184 = 59410^2 + 17072^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 477625157 + ... + 477625164.

It is an arithmetic number, because the mean of its divisors is an integer number (1114458709).

Almost surely, 2^3821001284 is an apocalyptic number.

It is an amenable number.

3821001284 is a deficient number, since it is larger than the sum of its proper divisors (2865750970).

3821001284 is a wasteful number, since it uses less digits than its factorization.

3821001284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955250325 (or 955250323 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 3821001284 is about 61814.2482280582. The cubic root of 3821001284 is about 1563.3602349525.

Subtracting 3821001284 from its reverse (4821001283), we obtain a palindrome (999999999).

The spelling of 3821001284 in words is "three billion, eight hundred twenty-one million, one thousand, two hundred eighty-four".