3533823 has 6 divisors (see below), whose sum is σ = 5104424. Its totient is φ = 2355876.

The previous prime is 3533819. The next prime is 3533839. The reversal of 3533823 is 3283353.

It is a happy number.

It is not a de Polignac number, because 3533823 - 2² = 3533819 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3533813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196315 + ... + 196332.

Almost surely, 2^3533823 is an apocalyptic number.

3533823 is a deficient number, since it is larger than the sum of its proper divisors (1570601).

3533823 is a wasteful number, since it uses less digits than its factorization.

3533823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392653 (or 392650 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3533823 is about 1879.8465362896. The cubic root of 3533823 is about 152.3169603623.

It can be divided in two parts, 3533 and 823, that added together give a square (4356 = 66²).

The spelling of 3533823 in words is "three million, five hundred thirty-three thousand, eight hundred twenty-three".