3723210 has 48 divisors (see below), whose sum is σ = 9926280. Its totient is φ = 967680.

The previous prime is 3723149. The next prime is 3723211. The reversal of 3723210 is 123273.

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 2082249 = 1281^2 + 1443^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723211) 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 23 ways as a sum of consecutive naturals, for example, 3186 + ... + 4194.

Almost surely, 2^3723210 is an apocalyptic number.

3723210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3723210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4963140).

3723210 is an abundant number, since it is smaller than the sum of its proper divisors (6203070).

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

3723210 is a wasteful number, since it uses less digits than its factorization.

3723210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3723210 is about 1929.5621264940. The cubic root of 3723210 is about 154.9907729506.

Adding to 3723210 its reverse (123273), we get a palindrome (3846483).

The spelling of 3723210 in words is "three million, seven hundred twenty-three thousand, two hundred ten".