3651662 has 16 divisors (see below), whose sum is σ = 6326880. Its totient is φ = 1548288.

The previous prime is 3651653. The next prime is 3651671. The reversal of 3651662 is 2661563.

It is an interprime number because it is at equal distance from previous prime (3651653) and next prime (3651671).

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 7 ways as a sum of consecutive naturals, for example, 14 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (395430).

Almost surely, 2^3651662 is an apocalyptic number.

3651662 is a deficient number, since it is larger than the sum of its proper divisors (2675218).

3651662 is a wasteful number, since it uses less digits than its factorization.

3651662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its digits is 6480, while the sum is 29.

The square root of 3651662 is about 1910.9322332307. The cubic root of 3651662 is about 153.9915382993.

Subtracting from 3651662 its reverse (2661563), we obtain a palindrome (990099).

The spelling of 3651662 in words is "three million, six hundred fifty-one thousand, six hundred sixty-two".