3450645 has 24 divisors (see below), whose sum is σ = 6525792. Its totient is φ = 1672800.

The previous prime is 3450631. The next prime is 3450649. The reversal of 3450645 is 5460543.

3450645 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 3450645 - 2¹⁸ = 3188501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450649) 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 23 ways as a sum of consecutive naturals, for example, 2991 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (271908).

Almost surely, 2^3450645 is an apocalyptic number.

It is an amenable number.

3450645 is a deficient number, since it is larger than the sum of its proper divisors (3075147).

3450645 is a wasteful number, since it uses less digits than its factorization.

3450645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6990 counting only the distinct ones).

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

The square root of 3450645 is about 1857.5911821496. The cubic root of 3450645 is about 151.1123967635.

It can be divided in two parts, 3450 and 645, that added together give a triangular number (4095 = T₉₀).

The spelling of 3450645 in words is "three million, four hundred fifty thousand, six hundred forty-five".