3978173484 has 36 divisors (see below), whose sum is σ = 10402697760. Its totient is φ = 1280331360.

The previous prime is 3978173477. The next prime is 3978173491. The reversal of 3978173484 is 4843718793.

3978173484 is a `hidden beast` number, since 3 + 97 + 8 + 1 + 73 + 484 = 666.

3978173484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3978173477) and next prime (3978173491).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3978173484.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1904212 + ... + 1906299.

Almost surely, 2^3978173484 is an apocalyptic number.

It is an amenable number.

3978173484 is an abundant number, since it is smaller than the sum of its proper divisors (6424524276).

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

3978173484 is a wasteful number, since it uses less digits than its factorization.

3978173484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810550 (or 3810545 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 3978173484 is about 63072.7634086220. The cubic root of 3978173484 is about 1584.5084981685.

It can be divided in two parts, 397 and 8173484, that added together give a square (8173881 = 2859²).

The spelling of 3978173484 in words is "three billion, nine hundred seventy-eight million, one hundred seventy-three thousand, four hundred eighty-four".