3646957 has 2 divisors, whose sum is σ = 3646958. Its totient is φ = 3646956.

The previous prime is 3646931. The next prime is 3646961. The reversal of 3646957 is 7596463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 367236 = 1811^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3646957 - 2⁷ = 3646829 is a prime.

3646957 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3646927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823478 + 1823479.

It is an arithmetic number, because the mean of its divisors is an integer number (1823479).

Almost surely, 2^3646957 is an apocalyptic number.

It is an amenable number.

3646957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646957 is an equidigital number, since it uses as much as digits as its factorization.

3646957 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3646957 is about 1909.7007618996. The cubic root of 3646957 is about 153.9253728487.

The spelling of 3646957 in words is "three million, six hundred forty-six thousand, nine hundred fifty-seven".