3980217 has 4 divisors (see below), whose sum is σ = 5306960. Its totient is φ = 2653476.

The previous prime is 3980203. The next prime is 3980231. The reversal of 3980217 is 7120893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3980203) and next prime (3980231).

It is not a de Polignac number, because 3980217 - 2⁷ = 3980089 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3980287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663367 + ... + 663372.

It is an arithmetic number, because the mean of its divisors is an integer number (1326740).

Almost surely, 2^3980217 is an apocalyptic number.

It is an amenable number.

3980217 is a deficient number, since it is larger than the sum of its proper divisors (1326743).

3980217 is a wasteful number, since it uses less digits than its factorization.

3980217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326742.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3980217 is about 1995.0481197204. The cubic root of 3980217 is about 158.4779762876.

The spelling of 3980217 in words is "three million, nine hundred eighty thousand, two hundred seventeen".