3659942 has 32 divisors (see below), whose sum is σ = 6580224. Its totient is φ = 1504800.

The previous prime is 3659941. The next prime is 3659959. The reversal of 3659942 is 2499563.

It is a junction number, because it is equal to n+sod(n) for n = 3659896 and 3659905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659941) 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 15 ways as a sum of consecutive naturals, for example, 19067 + ... + 19257.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

Almost surely, 2^3659942 is an apocalyptic number.

3659942 is a deficient number, since it is larger than the sum of its proper divisors (2920282).

3659942 is a wasteful number, since it uses less digits than its factorization.

3659942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 58320, while the sum is 38.

The square root of 3659942 is about 1913.0974883680. The cubic root of 3659942 is about 154.1078403595.

The spelling of 3659942 in words is "three million, six hundred fifty-nine thousand, nine hundred forty-two".