3549658 has 24 divisors (see below), whose sum is σ = 6412500. Its totient is φ = 1467648.

The previous prime is 3549649. The next prime is 3549673. The reversal of 3549658 is 8569453.

It can be written as a sum of positive squares in 2 ways, for example, as 3545689 + 3969 = 1883^2 + 63^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3549658.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2218 + ... + 3466.

Almost surely, 2^3549658 is an apocalyptic number.

3549658 is a deficient number, since it is larger than the sum of its proper divisors (2862842).

3549658 is a wasteful number, since it uses less digits than its factorization.

3549658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1287 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 3549658 is about 1884.0536085791. The cubic root of 3549658 is about 152.5441312751.

The spelling of 3549658 in words is "three million, five hundred forty-nine thousand, six hundred fifty-eight".