3980515 has 32 divisors (see below), whose sum is σ = 6105600. Its totient is φ = 2469600.

The previous prime is 3980513. The next prime is 3980521. The reversal of 3980515 is 5150893.

It is not a de Polignac number, because 3980515 - 2¹ = 3980513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3980513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18760 + ... + 18970.

It is an arithmetic number, because the mean of its divisors is an integer number (190800).

Almost surely, 2^3980515 is an apocalyptic number.

3980515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3980515 is a deficient number, since it is larger than the sum of its proper divisors (2125085).

3980515 is a wasteful number, since it uses less digits than its factorization.

3980515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 3980515 is about 1995.1228032379. The cubic root of 3980515 is about 158.4819312862.

The spelling of 3980515 in words is "three million, nine hundred eighty thousand, five hundred fifteen".