3960549 has 16 divisors (see below), whose sum is σ = 5994240. Its totient is φ = 2583360.

The previous prime is 3960521. The next prime is 3960557. The reversal of 3960549 is 9450693.

3960549 is a `hidden beast` number, since 3 + 9 + 605 + 49 = 666.

It is not a de Polignac number, because 3960549 - 2⁷ = 3960421 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960599) 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, 292 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (374640).

Almost surely, 2^3960549 is an apocalyptic number.

It is an amenable number.

3960549 is a deficient number, since it is larger than the sum of its proper divisors (2033691).

3960549 is a wasteful number, since it uses less digits than its factorization.

3960549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3960549 is about 1990.1128108728. The cubic root of 3960549 is about 158.2165087141.

The spelling of 3960549 in words is "three million, nine hundred sixty thousand, five hundred forty-nine".