3980145 has 16 divisors (see below), whose sum is σ = 6858432. Its totient is φ = 1959360.

The previous prime is 3980143. The next prime is 3980147. The reversal of 3980145 is 5410893.

It is an interprime number because it is at equal distance from previous prime (3980143) and next prime (3980147).

It is not a de Polignac number, because 3980145 - 2¹ = 3980143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3980143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10011 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 2^3980145 is an apocalyptic number.

It is an amenable number.

3980145 is a deficient number, since it is larger than the sum of its proper divisors (2878287).

3980145 is a wasteful number, since it uses less digits than its factorization.

3980145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3980145 is about 1995.0300749613. The cubic root of 3980145 is about 158.4770206878.

The spelling of 3980145 in words is "three million, nine hundred eighty thousand, one hundred forty-five".