3649057 has 2 divisors, whose sum is σ = 3649058. Its totient is φ = 3649056.

The previous prime is 3649049. The next prime is 3649097. The reversal of 3649057 is 7509463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 772641 = 1696^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649057 - 2³ = 3649049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824528 + 1824529.

It is an arithmetic number, because the mean of its divisors is an integer number (1824529).

Almost surely, 2^3649057 is an apocalyptic number.

It is an amenable number.

3649057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649057 is an equidigital number, since it uses as much as digits as its factorization.

3649057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3649057 is about 1910.2505071325. The cubic root of 3649057 is about 153.9549117455.

The spelling of 3649057 in words is "three million, six hundred forty-nine thousand, fifty-seven".