3393661 has 4 divisors (see below), whose sum is σ = 3412800. Its totient is φ = 3374524.

The previous prime is 3393653. The next prime is 3393671. The reversal of 3393661 is 1663933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3393661 - 2³ = 3393653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3393671) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9301 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (853200).

Almost surely, 2^3393661 is an apocalyptic number.

It is an amenable number.

3393661 is a deficient number, since it is larger than the sum of its proper divisors (19139).

3393661 is a wasteful number, since it uses less digits than its factorization.

3393661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19138.

The product of its digits is 8748, while the sum is 31.

The square root of 3393661 is about 1842.1891868101. The cubic root of 3393661 is about 150.2759512872.

The spelling of 3393661 in words is "three million, three hundred ninety-three thousand, six hundred sixty-one".