3642586 has 8 divisors (see below), whose sum is σ = 5505984. Its totient is φ = 1807260.

The previous prime is 3642581. The next prime is 3642619. The reversal of 3642586 is 6852463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3² + 6⁵ + 4 + 2¹¹ + 5⁹ + 8 + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (3642581) 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, 6690 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (688248).

Almost surely, 2^3642586 is an apocalyptic number.

3642586 is a deficient number, since it is larger than the sum of its proper divisors (1863398).

3642586 is a wasteful number, since it uses less digits than its factorization.

3642586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036.

The product of its digits is 34560, while the sum is 34.

The square root of 3642586 is about 1908.5559986545. Note that the first 3 decimals coincide. The cubic root of 3642586 is about 153.8638533611.

The spelling of 3642586 in words is "three million, six hundred forty-two thousand, five hundred eighty-six".