3656794 has 4 divisors (see below), whose sum is σ = 5485194. Its totient is φ = 1828396.

The previous prime is 3656777. The next prime is 3656801. The reversal of 3656794 is 4976563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 1238769 = 1555^2 + 1113^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁹ + 6³ + 5⁹ + 6⁸ + 7² + 9 + 4⁶ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914197 + ... + 914200.

Almost surely, 2^3656794 is an apocalyptic number.

3656794 is a deficient number, since it is larger than the sum of its proper divisors (1828400).

3656794 is a wasteful number, since it uses less digits than its factorization.

3656794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828399.

The product of its digits is 136080, while the sum is 40.

The square root of 3656794 is about 1912.2745618765. The cubic root of 3656794 is about 154.0636437904.

The spelling of 3656794 in words is "three million, six hundred fifty-six thousand, seven hundred ninety-four".