3943453 has 4 divisors (see below), whose sum is σ = 3952540. Its totient is φ = 3934368.

The previous prime is 3943451. The next prime is 3943481. The reversal of 3943453 is 3543493.

3943453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3543493 = 73 ⋅48541.

It can be written as a sum of positive squares in 2 ways, for example, as 3232804 + 710649 = 1798^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 3943453 - 2¹ = 3943451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (988135).

Almost surely, 2^3943453 is an apocalyptic number.

It is an amenable number.

3943453 is a deficient number, since it is larger than the sum of its proper divisors (9087).

3943453 is an equidigital number, since it uses as much as digits as its factorization.

3943453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086.

The product of its digits is 19440, while the sum is 31.

The square root of 3943453 is about 1985.8129317738. The cubic root of 3943453 is about 157.9885293173.

The spelling of 3943453 in words is "three million, nine hundred forty-three thousand, four hundred fifty-three".