3665542 has 8 divisors (see below), whose sum is σ = 5688000. Its totient is φ = 1769544.

The previous prime is 3665539. The next prime is 3665573. The reversal of 3665542 is 2455663.

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

It is a congruent number.

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, 31542 + ... + 31657.

It is an arithmetic number, because the mean of its divisors is an integer number (711000).

Almost surely, 2^3665542 is an apocalyptic number.

3665542 is a deficient number, since it is larger than the sum of its proper divisors (2022458).

3665542 is a wasteful number, since it uses less digits than its factorization.

3665542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63230.

The product of its digits is 21600, while the sum is 31.

The square root of 3665542 is about 1914.5605239846. The cubic root of 3665542 is about 154.1863993572.

The spelling of 3665542 in words is "three million, six hundred sixty-five thousand, five hundred forty-two".