3543965 has 16 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 2735040.

The previous prime is 3543959. The next prime is 3543979. The reversal of 3543965 is 5693453.

It is not a de Polignac number, because 3543965 - 2⁴ = 3543949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23711 + ... + 23859.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

Almost surely, 2^3543965 is an apocalyptic number.

It is an amenable number.

3543965 is a deficient number, since it is larger than the sum of its proper divisors (862435).

3543965 is a wasteful number, since it uses less digits than its factorization.

3543965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 48600, while the sum is 35.

The square root of 3543965 is about 1882.5421642024. The cubic root of 3543965 is about 152.4625367081.

The spelling of 3543965 in words is "three million, five hundred forty-three thousand, nine hundred sixty-five".