3642538 has 8 divisors (see below), whose sum is σ = 5529888. Its totient is φ = 1799244.

The previous prime is 3642497. The next prime is 3642559. The reversal of 3642538 is 8352463.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10806 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (691236).

Almost surely, 2^3642538 is an apocalyptic number.

3642538 is a deficient number, since it is larger than the sum of its proper divisors (1887350).

3642538 is a wasteful number, since it uses less digits than its factorization.

3642538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028.

The product of its digits is 17280, while the sum is 31.

The square root of 3642538 is about 1908.5434236611. The cubic root of 3642538 is about 153.8631775136.

It can be divided in two parts, 36425 and 38, that added together give a palindrome (36463).

The spelling of 3642538 in words is "three million, six hundred forty-two thousand, five hundred thirty-eight".