3546639 has 8 divisors (see below), whose sum is σ = 5254320. Its totient is φ = 2364408.

The previous prime is 3546637. The next prime is 3546643. The reversal of 3546639 is 9366453.

It is not a de Polignac number, because 3546639 - 2¹ = 3546637 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65652 + ... + 65705.

It is an arithmetic number, because the mean of its divisors is an integer number (656790).

Almost surely, 2^3546639 is an apocalyptic number.

3546639 is a deficient number, since it is larger than the sum of its proper divisors (1707681).

3546639 is a wasteful number, since it uses less digits than its factorization.

3546639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131366 (or 131360 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 3546639 is about 1883.2522401420. The cubic root of 3546639 is about 152.5008725203.

The spelling of 3546639 in words is "three million, five hundred forty-six thousand, six hundred thirty-nine".