3639534 has 8 divisors (see below), whose sum is σ = 7279080. Its totient is φ = 1213176.

The previous prime is 3639527. The next prime is 3639541. The reversal of 3639534 is 4359363.

It is an interprime number because it is at equal distance from previous prime (3639527) and next prime (3639541).

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

3639534 is an admirable number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 3639495 and 3639504.

It is a congruent number.

It is an unprimeable number.

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, 303289 + ... + 303300.

It is an arithmetic number, because the mean of its divisors is an integer number (909885).

Almost surely, 2^3639534 is an apocalyptic number.

3639534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3639534 is a wasteful number, since it uses less digits than its factorization.

3639534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606594.

The product of its digits is 29160, while the sum is 33.

The square root of 3639534 is about 1907.7562737415. The cubic root of 3639534 is about 153.8208689087.

The spelling of 3639534 in words is "three million, six hundred thirty-nine thousand, five hundred thirty-four".