3654545 has 4 divisors (see below), whose sum is σ = 4385460. Its totient is φ = 2923632.

The previous prime is 3654529. The next prime is 3654557. The reversal of 3654545 is 5454563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1985281 + 1669264 = 1409^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654545 - 2⁴ = 3654529 is a prime.

It is an alternating number because its digits alternate between odd and even.

3654545 is a modest number, since divided by 4545 gives 365 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365450 + ... + 365459.

It is an arithmetic number, because the mean of its divisors is an integer number (1096365).

Almost surely, 2^3654545 is an apocalyptic number.

It is an amenable number.

3654545 is a deficient number, since it is larger than the sum of its proper divisors (730915).

3654545 is an equidigital number, since it uses as much as digits as its factorization.

3654545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730914.

The product of its digits is 36000, while the sum is 32.

The square root of 3654545 is about 1911.6864282617. The cubic root of 3654545 is about 154.0320532594.

The spelling of 3654545 in words is "three million, six hundred fifty-four thousand, five hundred forty-five".