3397649 has 2 divisors, whose sum is σ = 3397650. Its totient is φ = 3397648.

The previous prime is 3397627. The next prime is 3397663. The reversal of 3397649 is 9467933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 1050625 = 1532^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 3397649 - 2⁸ = 3397393 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁷ + 3¹³ + 9⁵ + 7⁴ + 6⁸ + 4⁵ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (3397609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698824 + 1698825.

It is an arithmetic number, because the mean of its divisors is an integer number (1698825).

Almost surely, 2^3397649 is an apocalyptic number.

It is an amenable number.

3397649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3397649 is an equidigital number, since it uses as much as digits as its factorization.

3397649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 3397649 is about 1843.2712768337. The cubic root of 3397649 is about 150.3347929427.

The spelling of 3397649 in words is "three million, three hundred ninety-seven thousand, six hundred forty-nine".