3654997 has 2 divisors, whose sum is σ = 3654998. Its totient is φ = 3654996.

The previous prime is 3654961. The next prime is 3655007. The reversal of 3654997 is 7994563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 236196 = 1849^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654997 - 2¹¹ = 3652949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827498 + 1827499.

It is an arithmetic number, because the mean of its divisors is an integer number (1827499).

Almost surely, 2^3654997 is an apocalyptic number.

It is an amenable number.

3654997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654997 is an equidigital number, since it uses as much as digits as its factorization.

3654997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 3654997 is about 1911.8046448317. The cubic root of 3654997 is about 154.0384033083.

The spelling of 3654997 in words is "three million, six hundred fifty-four thousand, nine hundred ninety-seven".