3642653 has 4 divisors (see below), whose sum is σ = 4163040. Its totient is φ = 3122268.

The previous prime is 3642649. The next prime is 3642673. The reversal of 3642653 is 3562463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3642653 - 2² = 3642649 is a prime.

It is a super-3 number, since 3×3642653³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 3⁶ + 6 + 4⁴ + 2¹³ + 6⁸ + 5⁹ + 3⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642643) 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 in 3 ways as a sum of consecutive naturals, for example, 260183 + ... + 260196.

It is an arithmetic number, because the mean of its divisors is an integer number (1040760).

Almost surely, 2^3642653 is an apocalyptic number.

It is an amenable number.

3642653 is a deficient number, since it is larger than the sum of its proper divisors (520387).

3642653 is an equidigital number, since it uses as much as digits as its factorization.

3642653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520386.

The product of its digits is 12960, while the sum is 29.

The square root of 3642653 is about 1908.5735511109. The cubic root of 3642653 is about 153.8647967216.

The spelling of 3642653 in words is "three million, six hundred forty-two thousand, six hundred fifty-three".