3650540 has 24 divisors (see below), whose sum is σ = 7702800. Its totient is φ = 1453248.

The previous prime is 3650533. The next prime is 3650561. The reversal of 3650540 is 450563.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6719 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (320950).

Almost surely, 2^3650540 is an apocalyptic number.

It is an amenable number.

3650540 is an abundant number, since it is smaller than the sum of its proper divisors (4052260).

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

3650540 is a wasteful number, since it uses less digits than its factorization.

3650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3650540 is about 1910.6386366867. The cubic root of 3650540 is about 153.9757650063.

Adding to 3650540 its sum of digits (23), we get a palindrome (3650563).

The spelling of 3650540 in words is "three million, six hundred fifty thousand, five hundred forty".