3985227580 has 48 divisors (see below), whose sum is σ = 8814919680. Its totient is φ = 1509254208.

The previous prime is 3985227563. The next prime is 3985227583. The reversal of 3985227580 is 857225893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985227583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110469 + ... + 1114051.

It is an arithmetic number, because the mean of its divisors is an integer number (183644160).

Almost surely, 2^3985227580 is an apocalyptic number.

It is an amenable number.

3985227580 is an abundant number, since it is smaller than the sum of its proper divisors (4829692100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3985227580 is a wasteful number, since it uses less digits than its factorization.

3985227580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 3985227580 is about 63128.6589434624. The cubic root of 3985227580 is about 1585.4444951439. Note that the first 4 decimals are identical.

The spelling of 3985227580 in words is "three billion, nine hundred eighty-five million, two hundred twenty-seven thousand, five hundred eighty".