3980725 has 36 divisors (see below), whose sum is σ = 6034336. Its totient is φ = 2550240.

The previous prime is 3980693. The next prime is 3980729. The reversal of 3980725 is 5270893.

It is not a de Polignac number, because 3980725 - 2⁵ = 3980693 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92554 + ... + 92596.

Almost surely, 2^3980725 is an apocalyptic number.

3980725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3980725 is a deficient number, since it is larger than the sum of its proper divisors (2053611).

3980725 is a wasteful number, since it uses less digits than its factorization.

3980725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3980725 is about 1995.1754308832. The cubic root of 3980725 is about 158.4847182472.

The spelling of 3980725 in words is "three million, nine hundred eighty thousand, seven hundred twenty-five".