3989480379 has 8 divisors (see below), whose sum is σ = 5327903040. Its totient is φ = 2655355656.

The previous prime is 3989480377. The next prime is 3989480399. The reversal of 3989480379 is 9730849893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3989480379 - 2¹ = 3989480377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3989480377) 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, 1072317 + ... + 1076030.

It is an arithmetic number, because the mean of its divisors is an integer number (665987880).

Almost surely, 2^3989480379 is an apocalyptic number.

3989480379 is a deficient number, since it is larger than the sum of its proper divisors (1338422661).

3989480379 is a wasteful number, since it uses less digits than its factorization.

3989480379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148969.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The square root of 3989480379 is about 63162.3335461887. Note that the first 3 decimals coincide. The cubic root of 3989480379 is about 1586.0082588289.

The spelling of 3989480379 in words is "three billion, nine hundred eighty-nine million, four hundred eighty thousand, three hundred seventy-nine".