3721602 has 16 divisors (see below), whose sum is σ = 7570080. Its totient is φ = 1219392.

The previous prime is 3721583. The next prime is 3721603. The reversal of 3721602 is 2061273.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3721603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (473130).

Almost surely, 2^3721602 is an apocalyptic number.

3721602 is an abundant number, since it is smaller than the sum of its proper divisors (3848478).

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

3721602 is a wasteful number, since it uses less digits than its factorization.

3721602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3721602 is about 1929.1454066503. The cubic root of 3721602 is about 154.9684569875.

Adding to 3721602 its reverse (2061273), we get a palindrome (5782875).

The spelling of 3721602 in words is "three million, seven hundred twenty-one thousand, six hundred two".