3988422261284 has 24 divisors (see below), whose sum is σ = 6982004599416. Its totient is φ = 1993563936000.

The previous prime is 3988422261283. The next prime is 3988422261293. The reversal of 3988422261284 is 4821622248893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8078054884 + 3980344206400 = 89878^2 + 1995080^2 .

It is not an unprimeable number, because it can be changed into a prime (3988422261283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220821614 + ... + 220839674.

It is an arithmetic number, because the mean of its divisors is an integer number (290916858309).

Almost surely, 2^{3988422261284} is an apocalyptic number.

It is an amenable number.

3988422261284 is a deficient number, since it is larger than the sum of its proper divisors (2993582338132).

3988422261284 is a wasteful number, since it uses less digits than its factorization.

3988422261284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32927 (or 32925 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 59.

The spelling of 3988422261284 in words is "three trillion, nine hundred eighty-eight billion, four hundred twenty-two million, two hundred sixty-one thousand, two hundred eighty-four".