3650000 has 60 divisors (see below), whose sum is σ = 8960364. Its totient is φ = 1440000.

The previous prime is 3649999. The next prime is 3650051. The reversal of 3650000 is 563.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2917264 + 732736 = 1708^2 + 856^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49964 + ... + 50036.

Almost surely, 2^3650000 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 3650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4480182).

3650000 is an abundant number, since it is smaller than the sum of its proper divisors (5310364).

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

3650000 is an frugal number, since it uses more digits than its factorization.

3650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3650000 is about 1910.4973174543. The cubic root of 3650000 is about 153.9681724297.

Adding to 3650000 its reverse (563), we get a palindrome (3650563).

The spelling of 3650000 in words is "three million, six hundred fifty thousand".