3980008 has 8 divisors (see below), whose sum is σ = 7462530. Its totient is φ = 1990000.

The previous prime is 3980003. The next prime is 3980017. The reversal of 3980008 is 8000893.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 362404 = 1902^2 + 602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3980003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248743 + ... + 248758.

Almost surely, 2^3980008 is an apocalyptic number.

It is an amenable number.

3980008 is a deficient number, since it is larger than the sum of its proper divisors (3482522).

3980008 is a wasteful number, since it uses less digits than its factorization.

3980008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497507 (or 497503 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 3980008 is about 1994.9957393438. The cubic root of 3980008 is about 158.4752023620.

The spelling of 3980008 in words is "three million, nine hundred eighty thousand, eight".