3601409 has 8 divisors (see below), whose sum is σ = 4295040. Its totient is φ = 2952576.

The previous prime is 3601369. The next prime is 3601421. The reversal of 3601409 is 9041063.

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 3601409 - 2²⁰ = 2552833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3601489) 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, 11024 + ... + 11345.

It is an arithmetic number, because the mean of its divisors is an integer number (536880).

Almost surely, 2^3601409 is an apocalyptic number.

It is an amenable number.

3601409 is a deficient number, since it is larger than the sum of its proper divisors (693631).

3601409 is a wasteful number, since it uses less digits than its factorization.

3601409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22399.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3601409 is about 1897.7378638790. The cubic root of 3601409 is about 153.2818788705.

The spelling of 3601409 in words is "three million, six hundred one thousand, four hundred nine".