3346649 has 2 divisors, whose sum is σ = 3346650. Its totient is φ = 3346648.

The previous prime is 3346633. The next prime is 3346663. The reversal of 3346649 is 9466433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 1638400 = 1307^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 3346649 - 2⁴ = 3346633 is a prime.

It is a super-2 number, since 2×3346649² = 22400119058402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3346669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673324 + 1673325.

It is an arithmetic number, because the mean of its divisors is an integer number (1673325).

Almost surely, 2^3346649 is an apocalyptic number.

It is an amenable number.

3346649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3346649 is an equidigital number, since it uses as much as digits as its factorization.

3346649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 3346649 is about 1829.3848692935. The cubic root of 3346649 is about 149.5788035827.

The spelling of 3346649 in words is "three million, three hundred forty-six thousand, six hundred forty-nine".