3650641 has 8 divisors (see below), whose sum is σ = 3862400. Its totient is φ = 3440880.

The previous prime is 3650617. The next prime is 3650651. The reversal of 3650641 is 1460563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3650641 - 2⁵ = 3650609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3650651) 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, 4795 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (482800).

Almost surely, 2^3650641 is an apocalyptic number.

It is an amenable number.

3650641 is a deficient number, since it is larger than the sum of its proper divisors (211759).

3650641 is a wasteful number, since it uses less digits than its factorization.

3650641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3650641 is about 1910.6650674569. The cubic root of 3650641 is about 153.9771850162.

The spelling of 3650641 in words is "three million, six hundred fifty thousand, six hundred forty-one".