3980686590 has 48 divisors (see below), whose sum is σ = 10799781408. Its totient is φ = 1015363008.

The previous prime is 3980686571. The next prime is 3980686627. The reversal of 3980686590 is 956860893.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 959449 + ... + 963588.

It is an arithmetic number, because the mean of its divisors is an integer number (224995446).

Almost surely, 2^3980686590 is an apocalyptic number.

3980686590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3980686590 is an abundant number, since it is smaller than the sum of its proper divisors (6819094818).

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

3980686590 is a wasteful number, since it uses less digits than its factorization.

3980686590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923073 (or 1923070 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 3980686590 is about 63092.6825392612. The cubic root of 3980686590 is about 1584.8420850611.

The spelling of 3980686590 in words is "three billion, nine hundred eighty million, six hundred eighty-six thousand, five hundred ninety".