3984461684 has 72 divisors (see below), whose sum is σ = 8185806720. Its totient is φ = 1662284160.

The previous prime is 3984461681. The next prime is 3984461693. The reversal of 3984461684 is 4861644893.

It is a super-2 number, since 2×3984461684² = 31751869822528231712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984461681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17399282 + ... + 17399510.

It is an arithmetic number, because the mean of its divisors is an integer number (113691760).

Almost surely, 2^3984461684 is an apocalyptic number.

It is an amenable number.

3984461684 is an abundant number, since it is smaller than the sum of its proper divisors (4201345036).

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

3984461684 is a wasteful number, since it uses less digits than its factorization.

3984461684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 466 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 3984461684 is about 63122.5925006253. The cubic root of 3984461684 is about 1585.3429230781.

The spelling of 3984461684 in words is "three billion, nine hundred eighty-four million, four hundred sixty-one thousand, six hundred eighty-four".