3440523 has 4 divisors (see below), whose sum is σ = 4587368. Its totient is φ = 2293680.

The previous prime is 3440513. The next prime is 3440527. The reversal of 3440523 is 3250443.

It is a happy number.

3440523 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3440523 - 2⁵ = 3440491 is a prime.

It is a D-number.

It is a Duffinian number.

3440523 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440523.

It is not an unprimeable number, because it can be changed into a prime (3440527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573418 + ... + 573423.

It is an arithmetic number, because the mean of its divisors is an integer number (1146842).

Almost surely, 2^3440523 is an apocalyptic number.

3440523 is a deficient number, since it is larger than the sum of its proper divisors (1146845).

3440523 is a wasteful number, since it uses less digits than its factorization.

3440523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146844.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3440523 is about 1854.8646850916. The cubic root of 3440523 is about 150.9644961336.

Adding to 3440523 its reverse (3250443), we get a palindrome (6690966).

The spelling of 3440523 in words is "three million, four hundred forty thousand, five hundred twenty-three".