3620000 has 60 divisors (see below), whose sum is σ = 8954946. Its totient is φ = 1440000.

The previous prime is 3619991. The next prime is 3620011. The reversal of 3620000 is 263.

It is a happy number.

3620000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 190096 + 3429904 = 436^2 + 1852^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19910 + ... + 20090.

Almost surely, 2^3620000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4477473).

3620000 is an abundant number, since it is smaller than the sum of its proper divisors (5334946).

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

3620000 is an equidigital number, since it uses as much as digits as its factorization.

3620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3620000 is about 1902.6297590440. The cubic root of 3620000 is about 153.5451808138.

Adding to 3620000 its reverse (263), we get a palindrome (3620263).

The spelling of 3620000 in words is "three million, six hundred twenty thousand".