3965240 has 16 divisors (see below), whose sum is σ = 8921880. Its totient is φ = 1586080.

The previous prime is 3965231. The next prime is 3965309. The reversal of 3965240 is 425693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49526 + ... + 49605.

Almost surely, 2^3965240 is an apocalyptic number.

It is an amenable number.

3965240 is an abundant number, since it is smaller than the sum of its proper divisors (4956640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3965240 is a wasteful number, since it uses less digits than its factorization.

3965240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99142 (or 99138 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3965240 is about 1991.2910384974. The cubic root of 3965240 is about 158.2789496206.

The spelling of 3965240 in words is "three million, nine hundred sixty-five thousand, two hundred forty".