3456645 has 16 divisors (see below), whose sum is σ = 5602560. Its totient is φ = 1819584.

The previous prime is 3456637. The next prime is 3456653. The reversal of 3456645 is 5466543.

It is an interprime number because it is at equal distance from previous prime (3456637) and next prime (3456653).

It is not a de Polignac number, because 3456645 - 2³ = 3456637 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (350160).

Almost surely, 2^3456645 is an apocalyptic number.

It is an amenable number.

3456645 is a deficient number, since it is larger than the sum of its proper divisors (2145915).

3456645 is a wasteful number, since it uses less digits than its factorization.

3456645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 43200, while the sum is 33.

The square root of 3456645 is about 1859.2054754653. The cubic root of 3456645 is about 151.1999310629.

The spelling of 3456645 in words is "three million, four hundred fifty-six thousand, six hundred forty-five".