3605401 has 4 divisors (see below), whose sum is σ = 3609472. Its totient is φ = 3601332.

The previous prime is 3605387. The next prime is 3605419. The reversal of 3605401 is 1045063.

3605401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3605401 - 2⁵ = 3605369 is a prime.

It is a Duffinian number.

3605401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3605201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 2686.

It is an arithmetic number, because the mean of its divisors is an integer number (902368).

Almost surely, 2^3605401 is an apocalyptic number.

It is an amenable number.

3605401 is a deficient number, since it is larger than the sum of its proper divisors (4071).

3605401 is a wasteful number, since it uses less digits than its factorization.

3605401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3605401 is about 1898.7893511393. The cubic root of 3605401 is about 153.3384933151.

The spelling of 3605401 in words is "three million, six hundred five thousand, four hundred one".