3336646 has 4 divisors (see below), whose sum is σ = 5004972. Its totient is φ = 1668322.

The previous prime is 3336643. The next prime is 3336649. The reversal of 3336646 is 6466333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6466333 = 29 ⋅222977.

It is an interprime number because it is at equal distance from previous prime (3336643) and next prime (3336649).

It is a super-2 number, since 2×3336646² = 22266413058632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3336643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834160 + ... + 834163.

It is an arithmetic number, because the mean of its divisors is an integer number (1251243).

Almost surely, 2^3336646 is an apocalyptic number.

3336646 is a deficient number, since it is larger than the sum of its proper divisors (1668326).

3336646 is a wasteful number, since it uses less digits than its factorization.

3336646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668325.

The product of its digits is 23328, while the sum is 31.

The square root of 3336646 is about 1826.6488441953. The cubic root of 3336646 is about 149.4296265021.

The spelling of 3336646 in words is "three million, three hundred thirty-six thousand, six hundred forty-six".