3540823 has 12 divisors (see below), whose sum is σ = 4193224. Its totient is φ = 2970000.

The previous prime is 3540793. The next prime is 3540829. The reversal of 3540823 is 3280453.

It is not a de Polignac number, because 3540823 - 2⁹ = 3540311 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 5⁹ + 4² + 0 + 8³ + 2¹⁹ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448 + ... + 2698.

Almost surely, 2^3540823 is an apocalyptic number.

3540823 is a deficient number, since it is larger than the sum of its proper divisors (652401).

3540823 is a wasteful number, since it uses less digits than its factorization.

3540823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3540823 is about 1881.7074692948. The cubic root of 3540823 is about 152.4174667626.

The spelling of 3540823 in words is "three million, five hundred forty thousand, eight hundred twenty-three".