3445605 has 16 divisors (see below), whose sum is σ = 6125760. Its totient is φ = 1837584.

The previous prime is 3445601. The next prime is 3445613. The reversal of 3445605 is 5065443.

3445605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3445605 - 2² = 3445601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

3445605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445601) 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 15 ways as a sum of consecutive naturals, for example, 12627 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (382860).

Almost surely, 2^3445605 is an apocalyptic number.

It is an amenable number.

3445605 is a deficient number, since it is larger than the sum of its proper divisors (2680155).

3445605 is a wasteful number, since it uses less digits than its factorization.

3445605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25537 (or 25531 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3445605 is about 1856.2340908409. The cubic root of 3445605 is about 151.0387895026.

The spelling of 3445605 in words is "three million, four hundred forty-five thousand, six hundred five".