3642697 has 2 divisors, whose sum is σ = 3642698. Its totient is φ = 3642696.

The previous prime is 3642679. The next prime is 3642701. The reversal of 3642697 is 7962463.

Together with previous prime (3642679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3059001 + 583696 = 1749^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642697 - 2¹¹ = 3640649 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6⁸ + 4⁹ + 2¹³ + 6⁸ + 9⁴ + 7 .

3642697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3642677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821348 + 1821349.

It is an arithmetic number, because the mean of its divisors is an integer number (1821349).

Almost surely, 2^3642697 is an apocalyptic number.

It is an amenable number.

3642697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642697 is an equidigital number, since it uses as much as digits as its factorization.

3642697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 3642697 is about 1908.5850780094. The cubic root of 3642697 is about 153.8654162356.

The spelling of 3642697 in words is "three million, six hundred forty-two thousand, six hundred ninety-seven".