3544686 has 12 divisors (see below), whose sum is σ = 7680192. Its totient is φ = 1181556.

The previous prime is 3544669. The next prime is 3544703. The reversal of 3544686 is 6864453.

It is an interprime number because it is at equal distance from previous prime (3544669) and next prime (3544703).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3544686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98446 + ... + 98481.

It is an arithmetic number, because the mean of its divisors is an integer number (640016).

Almost surely, 2^3544686 is an apocalyptic number.

3544686 is an abundant number, since it is smaller than the sum of its proper divisors (4135506).

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

3544686 is a wasteful number, since it uses less digits than its factorization.

3544686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196935 (or 196932 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3544686 is about 1882.7336508386. The cubic root of 3544686 is about 152.4728752258.

Subtracting from 3544686 its product of digits (69120), we obtain a triangular number (3475566 = T₂₆₃₆).

The spelling of 3544686 in words is "three million, five hundred forty-four thousand, six hundred eighty-six".