3545644 has 12 divisors (see below), whose sum is σ = 6235768. Its totient is φ = 1764000.

The previous prime is 3545629. The next prime is 3545693. The reversal of 3545644 is 4465453.

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, 1257 + ... + 2944.

Almost surely, 2^3545644 is an apocalyptic number.

It is an amenable number.

3545644 is a deficient number, since it is larger than the sum of its proper divisors (2690124).

3545644 is a wasteful number, since it uses less digits than its factorization.

3545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4414 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 3545644 is about 1882.9880509446. The cubic root of 3545644 is about 152.4866099504.

The spelling of 3545644 in words is "three million, five hundred forty-five thousand, six hundred forty-four".