3657042 has 16 divisors (see below), whose sum is σ = 8126880. Its totient is φ = 1218996.

The previous prime is 3657041. The next prime is 3657079. The reversal of 3657042 is 2407563.

It is a happy number.

3657042 is a `hidden beast` number, since 3 + 657 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3656997 and 3657015.

It is not an unprimeable number, because it can be changed into a prime (3657041) 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 7 ways as a sum of consecutive naturals, for example, 33808 + ... + 33915.

It is an arithmetic number, because the mean of its divisors is an integer number (507930).

Almost surely, 2^3657042 is an apocalyptic number.

3657042 is an abundant number, since it is smaller than the sum of its proper divisors (4469838).

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

3657042 is a wasteful number, since it uses less digits than its factorization.

3657042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67734 (or 67728 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3657042 is about 1912.3394050220. The cubic root of 3657042 is about 154.0671265241.

The spelling of 3657042 in words is "three million, six hundred fifty-seven thousand, forty-two".