3545885 has 24 divisors (see below), whose sum is σ = 5084856. Its totient is φ = 2365440.

The previous prime is 3545881. The next prime is 3545897. The reversal of 3545885 is 5885453.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 3545689 = 14^2 + 1883^2 .

It is not a de Polignac number, because 3545885 - 2² = 3545881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9869 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (211869).

Almost surely, 2^3545885 is an apocalyptic number.

3545885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3545885 is a deficient number, since it is larger than the sum of its proper divisors (1538971).

3545885 is a wasteful number, since it uses less digits than its factorization.

3545885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 406 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 3545885 is about 1883.0520438904. The cubic root of 3545885 is about 152.4900647473.

The spelling of 3545885 in words is "three million, five hundred forty-five thousand, eight hundred eighty-five".