4097641 has 4 divisors (see below), whose sum is σ = 4103812. Its totient is φ = 4091472.

The previous prime is 4097633. The next prime is 4097647. The reversal of 4097641 is 1467904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 2418025 = 1296^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097641 - 2³ = 4097633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4097647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (1025953).

Almost surely, 2^4097641 is an apocalyptic number.

It is an amenable number.

4097641 is a deficient number, since it is larger than the sum of its proper divisors (6171).

4097641 is an equidigital number, since it uses as much as digits as its factorization.

4097641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4097641 is about 2024.2630757883. The cubic root of 4097641 is about 160.0213643347.

The spelling of 4097641 in words is "four million, ninety-seven thousand, six hundred forty-one".