3984345 has 24 divisors (see below), whose sum is σ = 7095816. Its totient is φ = 2066688.

The previous prime is 3984317. The next prime is 3984347. The reversal of 3984345 is 5434893.

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 3779136 = 453^2 + 1944^2 .

It is not a de Polignac number, because 3984345 - 2⁷ = 3984217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3984347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (295659).

Almost surely, 2^3984345 is an apocalyptic number.

It is an amenable number.

3984345 is a deficient number, since it is larger than the sum of its proper divisors (3111471).

3984345 is a wasteful number, since it uses less digits than its factorization.

3984345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2438 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3984345 is about 1996.0824131283. The cubic root of 3984345 is about 158.5327447465.

The spelling of 3984345 in words is "three million, nine hundred eighty-four thousand, three hundred forty-five".