3980618 has 24 divisors (see below), whose sum is σ = 6581412. Its totient is φ = 1798784.

The previous prime is 3980611. The next prime is 3980621. The reversal of 3980618 is 8160893.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 267289 = 1927^2 + 517^2 .

It is not an unprimeable number, because it can be changed into a prime (3980611) 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 in 11 ways as a sum of consecutive naturals, for example, 75080 + ... + 75132.

Almost surely, 2^3980618 is an apocalyptic number.

3980618 is a deficient number, since it is larger than the sum of its proper divisors (2600794).

3980618 is a wasteful number, since it uses less digits than its factorization.

3980618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3980618 is about 1995.1486160184. The cubic root of 3980618 is about 158.4832982365.

The spelling of 3980618 in words is "three million, nine hundred eighty thousand, six hundred eighteen".